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Juvenile Cooper’s Hawk at a Winter Feeder: A Backyard Predator in the Finger Lakes

On a frigid winter morning, a young Cooper’s Hawk claimed a backyard feeder roof, revealing how predators, snow, and survival intersect in an ordinary Finger Lakes yard.

MichaelStephenWills13 Comments

These four images and YouTube video document a winter visit by a juvenile Cooper’s Hawk (Accipiter cooperii) to our backyard feeder, captured on February 7, 2026, during a snowstorm in mid-morning light in sub-zero temperatures. The metadata places the sequence between 10:35 and 10:37 a.m., recorded on an iPhone 14 Pro Max with a 9 mm f/2.8 lens at low ISO (32) and fast shutter speeds—conditions that make sense for a bright, snowy day when reflected light is abundant and a moving subject demands short exposures. The bird itself, however, tells a longer story than the camera settings can.

Cooper’s Hawks are medium-sized accipiters, built for pursuit in cluttered spaces. Short, rounded wings and a long, banded tail allow them to thread through trees and shrubs with startling agility. In the Finger Lakes region in winter, they increasingly overlap with human habitats because bird feeders concentrate prey. The metal feeder roof in these images is mounded with snow, and the hawk has chosen it as a temporary perch—an elevated, stable platform that offers both a view of potential prey and a place to rest after a chase or to wait out a flurry of weather.

The bird’s plumage marks it as a juvenile, likely hatched the previous summer. Instead of the blue-gray back and fine rufous barring of an adult, this hawk wears brown upperparts patterned with pale, teardrop-shaped spots and a buffy, vertically streaked breast. In the first image, where the bird faces forward through a lattice of branches, those bold brown streaks on a whitish background are especially clear. The eye is yellow rather than the deep red of a mature adult—another reliable sign of youth. Over the next year or two, those eyes will darken and the plumage will transition to the cleaner, more uniform adult pattern.

In this first image, the hawk faces forward, squarely watching the yard.

The long tail, visible in the rear views, shows broad, dark bands and a pale tip. That tail is not just decorative; it is the rudder that lets the hawk brake, pivot, and surge forward in tight quarters. The posture here—upright, alert, feathers slightly fluffed against the cold—suggests a bird conserving heat while remaining ready to launch. In winter, energy balance is critical. Each failed chase costs calories, and each successful one must pay back the effort many times over.

In this second image, the hawk looks over its shoulder, scanning.

Cooper’s Hawks specialize in birds roughly the size of starlings, doves, and jays, though they will also take small mammals. Feeders unintentionally simplify the hunt by bringing many potential targets to a predictable spot. The hawk’s presence does not mean the feeder is “bad” for the ecosystem; rather, it shows the food web functioning in real time. Predators follow prey, and prey follow resources. In snowy conditions, when natural seed and cover are harder to find, that concentration effect is even stronger.

Click me for my Cooper’s Hawk photograph on Getty Istock.

The sequence of images reads like a brief behavioral study. In the first, it faces forward, squarely watching the yard. In the second and fourth, the hawk looks over its shoulder, scanning. In the third, it turns again, keeping its head in near-constant motion—classic raptor vigilance. Accipiters often hunt by surprise, bursting from cover rather than soaring and stooping like falcons or buteos.

In this third image the hawk turns, keeping its head in near-constant motion—classic raptor vigilance.

Winter also shapes the hawk’s relationship with humans. Juveniles, in particular, are more willing to explore unfamiliar structures and take calculated risks. A feeder roof is not a natural perch, but it offers height, stability, and a clear line of sight. Over time, many individuals learn the rhythms of a yard—when sparrows or doves are most active, where cover is thickest, where escape routes lie. Some succeed and stay; others move on.

In this fourth image, the hawk looks over its shoulder, scanning.

From a broader natural history perspective, this bird represents a conservation success story. Cooper’s Hawks suffered declines in the mid-20th century due to pesticide use, but populations rebounded after bans on DDT and related chemicals. Today they are again common across much of North America, including upstate New York, occupying forests, edges, and increasingly suburban landscapes.

Watch Cooper’s Hawk behaviors in this video.

The file metadata anchors this encounter in a precise moment—February light, a cold morning, a quiet pause between hunts. The images, however, capture something timeless: a young predator learning its craft, reading the winter landscape, and testing the boundaries between wild and human-made spaces. For the backyard observer, it is a reminder that even in the most familiar settings, the ancient choreography of predator and prey continues, written in feathers, snow, and a long, banded tail poised for flight.

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Stones That Traveled: Glacial Erratics, Deep Time, and the Stories They Leave Behind

Glacial erratics are immigrant stones—carried south by ice, dropped without explanation, and left behind to challenge our sense of permanence, place, and deep time.

MichaelStephenWills22 Comments

There are rocks that merely sit where gravity has placed them, and then there are rocks that arrive with stories already embedded—foreign syllables carried south on ice, dropped without explanation, and left for us to puzzle over. Glacial erratics belong to the second category. They are migrants with no passports, refugees of deep time, whose presence quietly contradicts the landscape that hosts them.

Long before anyone reached for a hand lens or an ice-flow diagram, people answered such contradictions with imagination. In Ireland, a boulder perched just so on a mountain side is not a geologic problem but a resting place. Leprechauns, we are told, favor such stones—high enough to observe human intrusion, solid enough to outlast it. Skepticism, as folklore reminds us, is not always a stable position. Kevin Woods—better known as McCoillte—found that out the hard way when doubt collided with experience on the slopes of Slieve Foye. What followed was not merely a conversion story, but an act of modern mythmaking: folklore translated into bureaucracy, imagination petitioning regulation, and “The Last Leprechauns” entering the unlikely language of conservation. Stone, story, and belief hardened together into something oddly durable.

Rocks such as this are a favorite perch for leprechauns to rest and contemplate the works of man who have invaded their world. Inhabitants of Carlingford who wander Slieve Foye have come upon them often enough, their stories and certitude in the existence of the Little People are resistant to manifold doubters with their reasons and arguments. Kevin Woods, aka McCoillte, was a doubter until worked on a stone wall on property he owned on Ghan Road, Carlingford. His belief did not arise on the discovery of the leather purse, covered with ages of dust and lime, nor with the gold coins inside. McCoillte pocketed the coins for luck. As luck would have it, McCoillte loved to walk on Slieve Foye. It was on one such walk he and his dog encountered Little People who paralyzed them to escape. His unexplained absence led to troubles with the wife. This experience brought McCoillte around to enough of a belief that he, with lots of help, succeeded in petitioning the E.U. European Habitats directive to recognize leprechauns a protected species. A reserve was establish on Slieve Foye to protect the “Last Leprechauns” and you can google this phrase to learn more about McCoillte’s stories.

Back in the Finger Lakes, we tend to use a different grammar when confronted by an out-of-place rock. We name it, classify it, and trace its lineage northward. Erratics scattered across Tompkins County are geological sentences that begin somewhere else entirely. The bedrock beneath Ithaca—Devonian shale and sandstone—cannot account for crystalline intruders left behind like forgotten punctuation marks. These stones speak of ice sheets thick enough to erase valleys and decisive enough to transport mountains in fragments.

Some of those fragments have been domesticated. Cornell, for example, has never been shy about rearranging its stones. An unremarked erratic along the Allen Trail may once have been shrugged off as inconvenient rubble, while another—dragged from the Sixmile Creek valley—was carved into a seat and made eloquent. The Tarr memorial boulder, resting near McGraw Hall, transforms erratic stone into deliberate monument. It invites rest, contemplation, and perhaps gratitude for those who taught us how to read landscapes written by glaciers.

We find boulders of crystalline rock, commonly derived from Adirondack sources, left behind on the surface of ablation moraine, in the Finger Lakes Region. Cornell finds some and move them, maybe the case for this unremarked erratic found along the Allen Trail of FR Newman Arboretum. Another enormous erratic, brought in from the Sixmile Creek valley, was carved into a seat as a memorial to Professor R.S. Tarr who deciphered much of the glacial history of the Finger Lakes Region. Find it at the southwest corner of McCraw Hall on the Cornell University Campus. Reference: “The Finger Lakes Region: Its Origin and Nature,” O.D. von Engeln, Cornell University Press, 1961 page 106

Glacial Erratic, Fillmore Glen

Elsewhere, erratics remain defiantly themselves. In winter, one along Fall Creek alternates between anonymity and revelation, depending on whether snow smooths its surface or retreats to expose lichen constellations. Bridges pass overhead, traffic flows, semesters turn over, yet the rock remains unimpressed. It has already endured pressure sufficient to rearrange its crystals; a passing academic calendar is not likely to trouble it.

Glacial erratic with and without a snow covver and spotted by lichen along Fall Creek in a winter afternoon as seen from Cornell Botanic Gardens. That is the bridge over Fall Creek on Forest Home Drive. Cornell University, Ithaca, Tompkins County, New York State

Closeup of the same boulder

This boulder, a glacial erratic, was found near Fall Creek and the Cornell Botanic Gardens Horticulture Building. Cornell University, Ithaca, Tompkins County, New York State

This rock, a glacial erratic, was found near Fall Creek and the Cornell Botanic Gardens Horticulture Building. Cornell University, Ithaca, Tompkins County, New York State

Then there are the stones that confront us most directly—those we stumble upon in fields, pulled from soil by plow or frost, demanding explanation. A white, iron-stained marble boulder in a Tompkins County field is not subtle about its foreignness. It does not belong to the local vocabulary of shale and sandstone. Its pale surface, crystalline texture, and mineral scars point insistently north, toward the Grenville terrane of the Adirondack Lowlands. The Balmat–Edwards–Gouverneur marble belt offers the most persuasive origin story: metamorphosed carbonate rock carried south by Laurentide ice, released when climate and physics finally lost patience with one another.

I found this white marble erratic in a Tompkins County field. The highest-probability source is Grenville marble from the NW Adirondack Lowlands / St. Lawrence County (Gouverneur/Balmat–Edwards marble belt), delivered by southward-flowing Laurentide ice. I say the most probable source is metamorphosed carbonate (marble) from the Grenville terrane to the north—especially the northwest Adirondack Lowlands / St. Lawrence County marble belt (the “Gouverneur Marble” and related Grenville marbles), transported south by the last Laurentide ice sheet. Why that’s the best bet: Ice-flow geometry favors a northern source. In the Finger Lakes, glacial ice advanced with a flow direction that was very close to due south, guided by the north–south bedrock valleys. Tompkins County erratics are “exotic” imports. Local bedrock around Ithaca/Tompkins is Devonian shale/sandstone, but the region contains many nonlocal (“exotic”) glacial erratics carried in from much farther north (including southern Canada and beyond). Marble isn’t local to the Ithaca area, but it is abundant in the NW Adirondack Lowlands. The Balmat–Edwards/Gouverneur area in St. Lawrence County is a classic Grenville Lowlands district with marble belts (the same province that yields cream/white building marble around Gouverneur).

What makes this particular erratic compelling is not just its provenance, but the improbability of its journey. Ice moved with purpose here, flowing south along bedrock valleys like Fall Creek and Cayuga troughs, turning the Finger Lakes region into a conveyor belt for distant geology. When the ice melted, it left behind evidence that refuses to blend in. Erratics are geological truth-tellers. They announce that this place was once unrecognizable, that what seems permanent is merely provisional.

Perhaps that is why folklore clings so naturally to stone. Whether leprechauns or Laurentide ice are credited, erratics insist on a larger frame of reference. They ask us to imagine landscapes in motion and beliefs under revision. A boulder can be a seat, a marker, a perch, or a puzzle—but never merely background. It waits, quietly confident, for us to catch up to its story.

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Lucifer Falls in Winter: Traversing Ice Chutes Along Ithaca’s South Rim Trail

A careful winter walk along the South Rim reveals Lucifer Falls transformed—ice chutes, frozen veils, and flowing water beneath stone, inviting patience, attention, and quiet awe.

MichaelStephenWills15 Comments

January pares the gorge to essentials. Color withdraws, sound sharpens, and the land reveals its underlying grammar—stone, water, cold, and time. Reaching Lucifer Falls by the South Rim Trail on a winter morning feels less like an initiation, a careful passage through ice-chutes and shadowed ledges where the creek rehearses its ancient work in a new key.

Wintertime scene along the South Rim Trail of Robert H. Treman State park. The trail is solid ice. Ithaca, Tompkins County New York State

The trail begins quietly, a soft crunch underfoot where snow thins to leaf litter. Hemlocks hold their breath. The gorge opens in increments, not all at once, and the creek’s voice arrives in fragments—first a whisper, then a steady insistence. Winter edits the landscape with a clean hand. The clutter of summer understory is gone; what remains is structure: stratified shale stacked like a book left open to a single, patient chapter. Every footfall demands attention. Ice slicks the stone where seeps cross the path, and the trail teaches a winter gait—short steps, weight centered, the quiet confidence of traction earned rather than assumed.

As the rim narrows, the air cools perceptibly. The gorge walls rise higher, their layered faces stippled with frost and snow. Icicles form a punctuation along ledges, commas and exclamation points caught mid-sentence. In places, the trail descends into ice chutes—steep, polished corridors where meltwater has glazed the rock. Here, the body listens more closely. Boots test, then commit. Hands brush the cold bark of a leaning tree, a borrowed handrail. There is pleasure in this concentration, the way winter insists on presence. You cannot hurry. You cannot drift.

Below, the creek widens into a quiet pool, its surface a muted mirror. Thin plates of ice drift and collide, sounding a faint porcelain clink. The sound carries upward, amplified by the gorge’s acoustics, a delicate counterpoint to the deeper hush of falling water. The trail curves, and suddenly the falls announce themselves—not in full view, but as a white presence beyond the bend, a brightness lodged between walls of stone.

The trails this day were solid ice. I arrived via the South Rim Trail, the only way to access this site. Robert H. Treman State Park, Ithaca, Tompkins County, New York State

Approaching from the South Rim offers a measured reveal. First the upper cascades appear, water fanning across rock that has become a winter canvas. Ice has claimed the margins, building ribs and curtains that thicken day by day. The falls do not stop in January; they change. Water threads through ice, slips behind it, emerges again in translucent veils. Gravity persists, but its expression is altered—slower, more deliberate, sculptural.

At the base, Lucifer Falls stands transformed. The familiar plunge has become a tiered architecture of frozen flow, a stepped amphitheater where icicles hang like organ pipes and snow pillows settle into hollows. The water still moves, a silver ribbon finding its way down the left flank, while the right side has grown into a cathedral of ice. The gorge walls close in, amplifying the sound—a low, resonant murmur that feels as much felt as heard.

The cold sharpens every sense. Breath fogs, then clears. Fingers tingle through gloves as the camera comes out, metal biting through insulation. Framing becomes an act of translation: how to honor motion when much of it has paused; how to suggest the hidden currents beneath the frozen skin. A short video will later catch what stillness cannot—the soft shiver of water behind ice, the way the falls breathe even in winter—but for now, the eye lingers on texture and line. Shale layers echo the ice’s striations. Time repeats itself in different materials.

Standing there, it’s impossible not to feel the weight of deep history. These rocks remember glaciers and warmer seas; this creek has been at work since before memory had a word. January merely adds a chapter. Snow feathers the ledges. A stray sunbeam slips into the gorge, briefly igniting the ice, and then is gone. The falls return to their monochrome palette, as dignified as an old photograph.

The return along the rim is lighter, the path now familiar, confidence earned. The ice chutes yield more easily on the way back, as if acknowledging the careful passage. Above the gorge, the forest resumes its quiet, and the trail leads out into the open day. What lingers is the sense of having witnessed something intimate and exacting—a winter conversation between stone and water, conducted without haste, inviting those willing to slow down and listen.

January asks little and gives much. Reaching Lucifer Falls by the South Rim is a reminder that beauty is not diminished by cold; it is clarified.

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Atkinson Hall and the Quiet Confidence of Good Design

A new Cornell building settles into its hillside, glass and weathered metal catching sky and trees—less a declaration than an invitation to pause, wander, and think together.

MichaelStephenWills10 Comments

Learning the Shape of a New Building

I first noticed the building from above.

Not in person—on my screen, late at night, when I should have been revising a draft and instead opened Google Earth the way some people open a window. There it was, just off Tower Road, close to Stocking Hall, pale and newly settled into the slope. From that height it looked careful rather than confident, as if it had arrived recently and was still deciding how much of itself to show.

Atkinson Hall, Google Earth from August 2023, 350 Tower Rd, Ithaca, NY 14850

I remember thinking: good placement on a former triangular parking lot. Enough distance from the older buildings to breathe, close enough to feel included. The hill does most of the work. You can see that even from an overhead height.

The next morning I walked there.

Atkinson Hall as viewed from the open field south of the Nevin Welcome Center of Cornell Botanic Gardens

Across the open field the building didn’t announce itself. Trees intervened—pines, bare hardwoods—so that it came into view in pieces: a curve of metal, a long line of glass, brick holding the ground. It felt less like approaching a destination than like gradually realizing you were already there. I liked that. Buildings that reveal themselves all at once tend to exhaust me.

The slope matters. You feel it in your legs as you walk, and the building seems to acknowledge it, stretching rather than standing tall. It does not pretend the land is flat. It follows the descent toward the creek, toward the older geological story underneath all of us.

Up close, the materials settle my attention.

North Side of Atkinson Hall, 350 Tower Rd, Ithaca, NY 14850

Brick at the base—solid, Cornell-familiar, not trying to reinvent anything. Above it, bands of weathered metal curve gently, already carrying the muted browns of fallen leaves, old stone, and stream-worn shale—colors long familiar to the slopes and ravines that shape this campus. They look as though they have agreed to age, which feels like an underrated design choice. The glass holds the sky without insisting on transparency. Some days it reflects trees so clearly that the building nearly disappears into them.

Compare the facade brickwork of Warren Hall, one of the earliest buildings on the Cornell University campus, completed 1868. This is the southwest corner with facade signage, Cornell University, Ithaca, New York

I stop near the windows longer than I intend to. The view steadies me. The hillside, the trees, the quiet persistence of winter light. My notebook stays closed for a few minutes. No one seems to mind.

View near Atkinson, Nevin Welcome Center, Cornell Botanical Gardens, 124 Comstock Knoll Dr, Ithaca, NY 14850

Inside, the building does not behave like a department.

That is the first thing I notice once I begin using it regularly. No single discipline claims the space. Offices and meeting rooms feel provisional, lightly held. Conversations drift. Someone from engineering crosses paths with someone from policy. A food systems researcher borrows a chair from a planner. No one looks lost.

It helps to remember who gathers here. The building hosts people from many parts of the university, each arriving with partial expertise, incomplete questions.

Cornell College / UnitAreas of Engagement
College of Agriculture and Life Sciences (CALS)Food systems, agroecology, climate resilience
College of EngineeringEnergy systems, materials, infrastructure
College of Arts and SciencesEarth systems, ecology, human dimensions
SC Johnson College of BusinessSustainable enterprise, supply chains
College of Architecture, Art, and Planning (AAP)Urban resilience, adaptive design
Cornell Law SchoolEnvironmental law and governance
Public & Global AffairsClimate policy, diplomacy

I keep this list taped inside my notebook. It reminds me that no one here is meant to arrive fully formed. The building expects us to be unfinished.

Cobblestones with fallen oak leaves along Feeny Way, Cornell University, Ithaca, New York

There is a quiet confidence in how the place is run. Systems hum discreetly. Heat holds steady even when the weather rips. Somewhere nearby, unseen, a generator waits, a reassurance. Work continues. Conversations do not end mid-sentence. I think about this more than I expected to. Stability has become a form of generosity.

On certain afternoons I walk the exterior again before heading home.

The curves soften what could have been institutional. Corners ease into one another. Nothing feels sharp. The building does not posture or instruct. It listens. It seems content to let weather, foot traffic, and time finish the job.

I have overheard visitors describe it as “restrained.” I think that is right. It does not wear sustainability as an emblem. It does not ask to be admired. It offers something quieter: space to think without being hurried, to talk without being territorial.

From some angles it nearly disappears into the hillside. From others it asserts itself just enough to be useful. That balance feels intentional, and also rare.

When I sit near the glass and look out, I sometimes imagine the building learning us in return—our habits, our pauses, the way we linger in doorways when a conversation matters. It seems designed for that kind of noticing.

If I were forced to describe it the way a realtor might, I would say it is well built in all the ways that matter. The structure is sound. The site is excellent. The materials will age well. But what I would mean is something less technical.

It is a building willing to wait.

Seen from above, it is still new.
Seen from the field, it is already settled.
Seen from inside, it feels patient.

That patience makes room—for uncertainty, for collaboration, for the long work that does not resolve quickly. I think that is why I keep returning, even on days when I do not strictly need to be there.

The building does not ask what I am producing.
It asks only that I stay awhile.

And for now, that is enough.

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Cornell Botanic Gardens’ Monkey Run: History, Geology, and Scenic Fall Creek

A contemplative walk along Monkey Run where Fall Creek writes the valley’s history—sycamores, bridges, and Devonian stone speaking across seasons in Cornell’s living classroom.

MichaelStephenWills17 Comments

On a morning in late March, when the hills about Ithaca still hold the night’s frost in their shaded folds, I took the path called Monkey Run and went to see how Fall Creek spends its winter earnings. The air had the bright sting of thaw, a kind of vernal austerity that keeps a man honest in his steps. Along the high bank the sun spilled its coin onto the water, where it broke and flickered like a school of silver minnows. A rim of snow clung to the shale ledges, and the leaves of last year’s oaks—curled, fox-red, and faithful—whispered as if to keep the woods awake until spring fully claimed them.

Sunlit bend of Fall Creek viewed from a high bank at Monkey Run in early spring.

Monkey Run is one of the outlying parcels tended by Cornell Botanic Gardens—once called the Plantations, and now, more fittingly, named for the living charge it keeps. These gardens do not end at beds and borders; they encompass the wilder rooms of the county, more than a thousand hectares of glens, pastures, and ravines where the university’s first and oldest teacher—nature herself—still holds class. Fall Creek is one of her principal lecturers. Rising beyond the high country of Cayuga Heights and slipping under stone and snow, it shoulders its way across the campus, idles a while in Beebe Lake, and turns turbines of memory at Triphammer Falls before shouldering on toward the lake that receives nearly everything here—Cayuga—long, deep, and glacial in its thinking.

Tall white-barked sycamores leafless against a blue March sky at Monkey Run.

If you would learn a valley’s mind, walk a meander. The creek here composes with easy cursive, laying down a bar of gravel, nibbling at a bank of clay, then sweeping back to consider its work from the opposite shore. The geologist says the rock is Devonian, pages laid flat and damp with time, and the ice of ten thousand winters ago scoured them into the open. A creek is a patient mason, working without rest and never in anger. I admired these sycamores—their clean bones shining through the leafless canopy like the ribs of an old cathedral. Winter reveals their whiteness; summer grants them shade. A stand of white pines keeps a dark counsel in the background; on the muddy edge, green tongues of skunk cabbage push up, pledges made by the swamp to keep faith with the sun.

Rust-stained steel pier above calm water on Fall Creek along Monkey Run trail

I came down to the water near an old steel pier, a bridge remnant, hanging on each end without purpose. It wears graffiti the way a boulder wears lichen; human wishes, briefly rooted, coloring what they can. The river accepts it all, the pilings and the scribbles, the cast limb and the bottle’s glint, and continues its one unarguable gesture downstream. That is the old instruction of Fall Creek: use, refuse, endure. Before the university drew students from every quarter, the creek turned wheels and powered the small ambitions of a frontier town. Even the name Triphammer speaks of iron struck to purpose. Now the water powers something quieter: the studies of herons, the almanacs of kingfishers, the quick arithmetic of minnows over limestone.

Looking back while climbing the steep bluff

Steps cut from logs ascend the bluff, each tread pegged with iron, each rise a short confession of breath. I climbed to the ridge, paused halfway, and through the gray lace of March branches saw the creek shining at a bend far below. A man cannot help but measure his own life against such a course. The path goes up and down in obedient red blazes, but the water keeps its own counsel. Where the bank slumps the river shoulders through; where the bottom rises it lays down a mirror. In my youth I wanted the straight run, the short work. Now the curve pleases me. To go with the current and not be carried away—that is a lesson suitable to the grey in my beard.

Clear, shallow run of Fall Creek with shale bottom and pine stand in distance
Bluff overlooking Fall Creek in summer

When I returned five months later, on August 23, the same path had forgotten the word austerity. The cathedral of sycamore was fully leafed, the white pillars now vanished behind a nave of shade. The pines perfumed the air without trying. A new footbridge—clean timber arching like a bent bow—spanned one of the wet flats. Its braces, black-bolted and handsome, looked as if they would hold the weight of an ox team or a file of schoolchildren. Such crossings are a kind of promise from the present to the future: we found a way through here; may you, too. Below, the floor was upholstered with moss, oak leaves, and a scatter of pinecones—the slow currency of the woods accumulating interest.

Arched wooden footbridge in summer forest on Cornell’s Monkey Run trail.

Summer makes a confidant of every plant. Ferns unrolled their scripture at the bridge abutment; jewelweed held its tiny lanterns along the seeps; a kingfisher rattled downstream, blue lightning with a bill. The creek, glassy over its shale pavement, showed every wrinkle of its stride. I waded a little, feeling with the sole what the eye could not—where the current took an extra thought around a stone, where it forgot itself in a warm eddy. Trout lingered in the dimmer reaches, quick as commas; a great blue heron lifted off with that surprising tidiness of wing, ungainly only in our imagination.

In all seasons the trail carries two histories: one written in rock and water, the other in the footfall of people. Cornell’s founders, Ezra and Andrew White, believed the university should place the hand near the thing studied; here that principle is plain. Botany students take their lectures in leaf and bark; geologists read the creek banks as if the pages might soon turn by themselves; children learn the oldest calculus—how long a stick will float before it catches in the weeds. The caretakers from the Botanic Gardens mark, mend, and interpret, but they do not overtalk. The woods speak enough.

Moss, grass and pinecones on an overlook of Fall Creek

As the afternoon eased toward evening, I climbed once more to the bluff. The light had gone honey-colored and the leaves of the maples, those careful accountants of September, were just beginning to weigh their green against gold. I looked down on the bend where I’d stood in March—cold, bright, expectant—and felt the year’s circle gently close. As John Burroughs wrote, “The power to see straight is the rarest of gifts… to be able to detach yourself and see the thing as it actually is, uncolored or unmodified by your own… prepossessions… that is to be an observer and to read the book of nature aright.” Monkey Run obliges that humility. The creek moves as it always has—glacially taught, mill-forged, campus-wise, and freedom-loving—and the trail, with its modest stairs and honest bridges, invites us to walk beside it, to match our breath to its turnings, and to leave, if we can, a lighter trace than we found.

References

Ways of Nature (1905), “Reading the Book of Nature,” pp. 275–276 (The Writings of John Burroughs, Riverside ed., vol. XIV, Houghton Mifflin)

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Glacial Echoes: Dryden Lake Park’s Mirror-Calm Morning in Upstate New York

Morning clouds hang over Dryden Lake as hills kindle first color; reflections hold breath while a lone walker reads the valley’s glacial and human-written past.

MichaelStephenWills11 Comments

He came to the water before the people woke, the road a still ribbon of cold tar snaking beneath the low hills. Mattocks of cloud hung over the valley and the lake took in the sky like a mirror dropped yet not broken. The trees were beginning to color. A patient fire working from within the leaves. He parked where the grass ran down to the shore and stood a long while without moving. Birds made small sounds in the reeds. Somewhere a single truck labored up the grade and was gone. The surface held the hills with a steadiness the hills themselves could not keep. He thought how the quiet of a place can be the loudest thing it owns.

He went along the margin along the damp sedges where old drift lay silvered and light as bones. A drowned trunk angled from the shallows. The lake was old in the way of things made by ice and time. A kettle in the outwash of the last glacier, some men said, a bowl left when the buried ice eased away. He pictured the ice receding into the valley heads, the meltwaters choked with gravel, a hand larger than memory scribing the floor of this country. The earth never told it plain but the lay of it was witness enough. Across later centuries men cribbed a dam across the outlet and drew the water to a shape that pleased them and served their work.

A trail ran the length of the water on the old rail bed. The ties were long gone and the iron and cinders buried under years of leaf fall and gravel. He had walked it as a boy beside his father and now he walked it alone. Benches stood at half-mile intervals like waystations in a country of small pilgrimages. The signs told what once was here and what remains. They had renamed the path for a townman who argued it into being after the railroad had passed from the world and the right-of-way grew up with sumac and rumor. It was an easy trail and he carried nothing. His hands hung at his sides as if the day might place something in them when it was ready.

In another era the lake was a workshop. Men whipsawed timber in the wet air and fed small mills with the grove’s dark boards. Winter flowed over the flats, and they built icehouses and set the blocks within like blue stone, an industry that died when cold could be called from a switch. The hills have learned to forget the noise of it, though on certain mornings the fog takes a shape and you could believe rising from the ponded sawdust and the lading of sleds. He thought of the labor of those gone hands and of how work is a scripture every place keeps in its own tongue.

Before any of that, the ground here was a summer camp. People came with the season and went with it, laying their fires in the lee of the knoll and taking fish where the cattails thin. He could feel them in the open places, not as ghosts but as the first understanding the land ever had of itself. The words used for them now are museum words, yet the wind still crosses the water as it did and empties the same smell of iron and leaf into the lungs of whoever stands to breathe.

The town took its name from a poet long dead, a scholar’s choosing in the years after the war for independence when this tract of country was parceled out to soldiers of that same war. Virgil lay to the east as if they were shelving Latin across a map. The creek that bears that name threads the villages and finds Fall Creek at Freeville, and the combined waters go their own slow way toward Cayuga where the glacial hand scooped deeper yet. He said these names under his breath and they tasted of chalk and river stone.

A kingfisher rattled across the cove. The fish rose in rings that spread and vanished like time seen from above. Out on the water an old man pushed a skiff with an electric motor that hummed like a trapped bee, for the lake allows no gas engines now. The wildlife area ran around the shore in a ragged collar of field and wetland and alder, near two hundred acres under the state’s keeping, and the lake itself a little over a hundred. He watched the man aim for the lily line and thought how rules arise from the wish that a thing endure, though nothing does. Still we make the rules and we keep them as if the earth were listening.

Wind came down the slope with a smell of rain. He turned back and the hills lay again in the water, entire, and for a moment he could not tell which world had claim to the other. He thought of the rails pulled up and the mills gone to weeds and of the icehouses fallen into their own shadows and he thought of the people before all that and of the long winter pressing its thumb into the land and lifting it away. He thought of his father walking the rail bed beside him a lifetime ago and saying nothing. There are places where the past crowds close and will not be argued with. He stood until the first drops dimpled the surface and the reflection shattered and reformed. A train no longer runs here. The only sound was the soft percussion of rain on water and the slow turning of the earth beneath both. He put his hand to the damp trunk of a fallen tree and felt the grain and the coolness and the old patient labor of rot. Then he went up from the reeds, his pockets full of acorns, and out to the road where his truck waited and the day, austere and sufficient, came along with him.

References

Geological History and Glacial Formation of the Finger Lakes

Jim Schug Trail

The Dryden Lake area in the 19th century

Indian Campsite on west side of Dryden Lake

Dryden New York (wikipedia)

Dryden Lake (New York State DEC)

Geohydrology, Water Quality, and Simulation of Groundwater Flow in the Stratified-Drift Aquifer System in Virgil Creek and Dryden Lake Valleys, Town of Dryden, Tompkins County, New York

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The Mathematical Beauty of Autumn Leaves

Here I reflect on the mathematical beauty of falling leaves from two trees, revealing order amidst perceived chaos in nature’s patterns.

MichaelStephenWills17 Comments

Standing before these two trees on a unseasonably warm autumn day, I am struck by the intricate patterns of their fallen leaves. Against the vibrant green of the grass, the golden leaves form halos around the trunks, as if nature herself were sketching mandalas. There’s something profoundly mathematical about these arrangements—a quiet order amidst what might initially seem like chaos.

The first tree, its barren branches reaching skyward, stands on a carpet of yellow that radiates outward in near-perfect symmetry. The leaves have fallen in such a way that their density decreases as the distance from the trunk increases. It reminds me of the inverse square law—a principle in physics that governs how light, gravity, and sound diminish with distance. Here, instead of energy dispersing, it’s the leaves thinning out, their graceful scatter dictated by the wind’s whims and gravity’s pull. There’s an undeniable harmony in this seemingly random process, a convergence of natural forces creating an elegant gradient.

Stewart Park, Ithaca, New York

The second tree presents a different story, yet one equally mesmerizing. Its leaves, still clinging in part to the branches, form a looser ring at the base. The distribution is uneven, hinting at prevailing winds or the sheltering influence of nearby buildings. But even in this asymmetry, I see fractals—the self-similar patterns that repeat at different scales throughout nature. Look closely, and you’ll notice clusters of leaves mimicking the broader structure of the canopy above. It’s as if the tree’s essence is echoed in the ground below, a reminder of how deeply interconnected every part of a system can be.

Robinia pseudoacacia, commonly known as the black locust

These patterns invite reflection on the mathematical principles governing our world. Fibonacci sequences, golden ratios, and fractals—abstract concepts are not confined to textbooks. They are etched into the fabric of existence, visible in the spiral of a sunflower’s seeds, the curve of a nautilus shell, and the fall of leaves beneath a tree. Even the chaos of autumn is underpinned by order, a dance choreographed by countless variables: the angle of the branches, the strength of the wind, the moisture in the air.

I find myself wondering about the unseen forces at play. How many leaves fell straight down, obeying only gravity? How many were carried aloft by a breeze before settling farther afield? Could we model these patterns with algorithms, tracing the arc of each leaf’s descent? Would the data reveal a perfect equation, or would it remind us that some mysteries resist full comprehension?

As I stand here, I feel a deep gratitude for these natural equations. They ground me in the present moment while also connecting me to the infinite. The pattern of leaf fall is a reminder of life’s balance: chaos and order, randomness and structure, fleeting moments and timeless principles. The trees, now shedding their golden crowns, invite me to pause, observe, and marvel at the beautiful mathematics of autumn.

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Monarch Butterfly Life Cycle: Egg to Adult (Danaus plexippus) with Photos

From milkweed egg to striped caterpillar, jade chrysalis, and fluttering monarch, witness metamorphosis, migration, and our role in protecting Danaus plexippus across North America today.

MichaelStephenWills17 Comments

On the underside of a milkweed leaf, the world begins small enough to miss unless you kneel and look closely. In this first photograph the newborn is still a whisper of life, a pale pinhead egg collapsed into a glistening scrap, the tiny caterpillar beside it like a gray comma punctuating the green. It has just eaten the soft shell that cradled it—its first meal, its first thrift. The leaf’s pale roads of veins radiate around the hatchling; within that simple map lies all the geography it needs.

By the second photograph appetite has taken its proper throne. These pilgrims wear a uniform of warning: bands of yellow, black, and white—stripes as bright as hazard tape, a heraldic banner advertising the bitterness borrowed from milkweed. Each bite draws down defensive latex; yet the caterpillars feed undeterred, pausing to snip the leaf’s veins to quiet the flow. Their black, threadlike “tentacles” nod as they travel, and their peppery pellets—frass—collect like midnight hail. Five times they will outgrow themselves, shrugging off skins to reveal wider, hungrier versions within. The room is strewn with green rib and ragged edges; the air has the gentle smell of cut stems. All the while, milkweed’s poisons, the cardenolides, pass into growing bodies and become their bodyguard.

At last a hush. A final meal, a purposeful wander. The caterpillar chooses a high eave of the world—a stem, a stick, the corner of your rearing tent—and hooks itself into a downward J. Within hours the skin splits like a soft zipper; the striped creature pours itself out of itself and seals into a smooth chrysalis.

Here, the caterpillar has attached itself to a silk pad from which it hangs. Underneath the skin, the caterpillar is transforming to the chrysalis. In these photographs the silk pad and chrysalis attachment from a previous transformation are in the foreground.
Macro of the Monarch butterfly chrysalis. The black stalk attached to the silk pad is call a cremaster.

The following photograph and video catch the moments into becoming: the jade lantern has become transparent, darkening, its gold studs glinting like constellation points, and through the thinning walls the folded wings show, orange smoldering under smoke. Inside, old tissues have dissolved into a living broth; imaginal discs—tiny blueprints carried since the egg—have flowered into legs, eyes, and flight. To call it “metamorphosis” is correct; to call it mystery is truer.

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When the case opens the butterfly backs into the bright. It clings while the crumpled wings fill and flatten, hemolymph pumping life into every cell. In the next image the adult drinks from a petunia trumpet, a jeweled ember with white-spotted hems. The monarch—Danaus plexippus—tests the wind with new, purposeful wings. Its scientific name nods to ancient stories: Danaus after the Greek mythic king of Argos, a father who fled with his fifty daughters across the sea; plexippus for Plexippus, a figure of the same old tales—his name carried forward into this wanderer of the sky. The English name “monarch” is said to honor both its regal size and domain, and, some say, the orange-and-black of William of Orange. Kings and myths gathered like cloak and scepter around a creature that weighs less than a paperclip.

No butterfly has entered human life more completely. Schoolchildren cradle jars of milkweed sprigs and tape handwritten labels to chrysalides lined like seed pearls along a classroom window. Taggers kneel in September light, add a tiny disc to a wing, and write down time and place so the journey south can be traced. In the mountains of Mexico, where oyamel firs hold winter like a secret, people fold the monarch’s return into the Days of the Dead, believing that souls ride home on those wafers of flame. Gardeners tuck swamp milkweed into narrow beds and call their yards “waystations.” Photographers, such as myself, record the stories that happen leaf by leaf.

In early July a Monarch caterpillar revels in milkweed flowers.

Yet our touch is not simple. Fields simplified by herbicides have shaved milkweed from fencerows; tidy mowing removes nectar from roadsides in the tender weeks of migration; captive rearing in vast numbers, though done with reverence, may carry unintended risks of disease and weakened orientation. The monarch asks us to enlarge our sense of home beyond the fence: to let patches of milkweed lift their pale crowns in rough corners; to choose late-blooming asters and goldenrod; to keep a few ditches shaggy until the travelers pass. Conservation, like metamorphosis, is work that happens inside ordinary days.

Watch the cycle again in my images—egg to appetite, appetite to stillness, stillness to wing—and hear what it whispers in the steady voice of milkweed leaves and soft fall air. Rachel Carson wrote that “those who contemplate the beauty of the earth find reserves of strength that will endure as long as life lasts.” Here beauty wears stripes and beads of gold, sips from garden petals, and threads a continent with its frail insistence. The monarch’s life is a ribbon we can follow with our eyes and, if we are willing, with our hands—gentle hands that leave room for milkweed to rise, for caterpillars to feed, for a chrysalis to darken and a window to fill, one bright morning, with wings.

On a personal note, this season was a success. Monarchs visited our milkweed patch several times allowing me to save/harvest nineteen eggs/caterpillars and raise them until release.

Selected references
Carson, Rachel. The Sense of Wonder. New York: Harper & Row, 1965. (Reissued: HarperCollins, 1998; Open Road Media e-book, 2011.) The quoted passage (“Those who contemplate the beauty of the earth…”) appears early in the book; the Open Road edition places it on p. 41.
Wikipedia contributors. “Monarch butterfly — Etymology and taxonomy.” (useful overview with primary citations).
Oberhauser, K. S., and M. J. Solensky, eds. The Monarch Butterfly: Biology and Conservation. Cornell University Press, 2004.

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Buttonbush: The Secret Geometry of Wetlands

Discover the Buttonbush (Cephalanthus occidentalis), a wetland shrub of spherical blooms, sustaining pollinators, birds, and waterfowl while reminding us of life’s enduring cycles

MichaelStephenWills9 Comments

In the quiet wetlands of late summer, when cattails lift their brown torches above the reeds and dragonflies skim the still water, there is a shrub that speaks in spheres. Its language is not the pointed spear of grass or the broad fan of lily pads, but the perfect symmetry of globes—round, intricate, and startling in their precision. This is the Buttonbush, Cephalanthus occidentalis, a native of swamps, pond margins, and the soft, yielding soils where water shapes the land.

At first glance, its clusters might be mistaken for something fashioned by human hands: spiky balls arrayed along slender stems, each one a small planet bristling with tiny cells. Only in memory can we recall their summer incarnation, when each ball was a constellation of snowy blossoms, white tubular flowers extending like delicate pins from a spherical center. Bees and butterflies crowded them then, drunk on nectar, wings glinting in the sun. Hummingbirds darted in as though drawn by an unseen magnet, their beaks fitting perfectly into the narrow blossoms, a partnership written long ago in the shared script of evolution.

Buttonbush (Cephalanthus occidentalis) at Sapsucker Woods, Cornell Lab of Ornithology

Now, in August’s waning light, those blossoms have folded back into seed, transforming into the russet orbs captured in the photograph. What was once nectar is now promise—food for ducks, shorebirds, and the small lives that depend on wetlands for sustenance. In the hands of buttonbush, time itself is circular. Flower becomes fruit, fruit becomes seed, seed becomes shrub, and the cycle spins quietly on, just as the spheres themselves suggest: complete, unbroken, eternal.

A Wetland Companion

Buttonbush is rarely alone. It thrives where cattails whisper, where pickerelweed thrusts up spikes of purple bloom, where the air holds the scent of waterlogged earth. Its roots grip the muck at the edges of ponds and rivers, holding soil against the restless tug of currents. In doing so, it becomes part of the unseen architecture that holds wetlands together, slowing erosion, filtering water, providing shelter for fish in the shade of its stems.

Pickerelweed (Pontederia cordata) at Sapsucker Woods, Cornell Lab of Ornithology

This shrub, unassuming in stature, is an engineer of stability. It creates thickets where red-winged blackbirds perch, where frogs crouch in shade, where turtles bask on half-submerged branches. The wetlands of North America would be poorer without its presence, for it provides not just beauty but the scaffolding upon which entire communities of life depend.

The Human Thread

To the human eye, the buttonbush’s spherical blooms are so striking that they demand metaphor. Some have called them pincushions, others tiny planets, others fireworks arrested in mid-burst. Native American peoples, however, looked beyond metaphor to medicine. The bark and roots were used in remedies for ailments ranging from headaches to fevers, though with caution, for the plant holds mild toxicity when consumed raw. It is a reminder that many gifts of the natural world are edged with danger, and that wisdom lies in balance.

Today, gardeners and conservationists plant buttonbush intentionally. It is welcomed into rain gardens, where its thirst for moisture makes it a perfect ally for absorbing stormwater. It is used in wetland restoration projects, where its deep roots anchor new life. And it is cherished by those who walk the edges of ponds and discover in its round blossoms a geometry that feels both wild and deliberate, a gift of design from the living earth.

Fourth of July, 2019, Stewart Park

The Sphere as Symbol

Rachel Carson once wrote that in nature, “nothing exists alone.” The buttonbush embodies this truth with clarity. Its spheres are invitations, junctions where plant and pollinator meet, where flower and bird share a moment of mutual necessity. They are offerings to the eye as well, challenging us to see patterns where we might otherwise see only happenstance.

Standing before a buttonbush in bloom, one feels an almost childlike wonder: how could such symmetry arise unbidden from soil and sunlight? Yet this is the miracle of evolution, that order may spring from chance, that beauty may serve survival, that what pleases our senses also sustains life.

A Closing Reflection

In the wetlands, where water mirrors the sky, the buttonbush offers its own reflection of completeness. Its seed heads persist through autumn and winter, small orbs clinging even when leaves fall, reminders that the cycles of life turn steadily beneath the stillness.

To linger with buttonbush is to be reminded of nature’s quiet insistence on wholeness. It speaks in forms: round, repeating, enduring. To walk away from it is to carry a sense of connection, to know that in the pattern of its blooms we glimpse a truth both humble and profound—that life is not a line but a circle, and in every turning there is renewal.

For Further Reading

USDA NRCS. Plant Guide: Buttonbush (Cephalanthus occidentalis L.). United States Department of Agriculture, Natural Resources Conservation Service. Available online: https://plants.usda.gov
– Provides detailed information on identification, habitat, and ecological role.

Lady Bird Johnson Wildflower Center. Cephalanthus occidentalis (Common Buttonbush). Native Plant Information Network. Available online: https://www.wildflower.org/plants/result.php?id_plant=ceoc2
– Covers botanical features, bloom time, wildlife value, and landscape use.

Dirr, Michael A. Manual of Woody Landscape Plants: Their Identification, Ornamental Characteristics, Culture, Propagation and Uses. 6th Edition. Stipes Publishing, 2009.
– Authoritative horticultural reference on Buttonbush and other shrubs.

Peterson, Roger Tory, and Margaret McKenny. A Field Guide to Wildflowers: Northeastern and North-central North America. Houghton Mifflin, 1968.
– Classic field guide covering buttonbush’s wetland habitat.

Carson, Rachel. Silent Spring. Houghton Mifflin, 1962.
– Source of the quoted passage: “In nature nothing exists alone.” (Chapter 2, “The Obligation to Endure”).

Moerman, Daniel E. Native American Ethnobotany. Timber Press, 1998.
– Comprehensive reference documenting traditional medicinal uses of Buttonbush among Native American peoples.

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Wandering Glider: The Far-Traveling Dragonfly of Ithaca’s July Skies

A sun-worn dragonfly rests at journey’s end, its amber wings whispering of distant winds, silent skies, and the untold grace of nature’s farthest travelers.

MichaelStephenWills8 Comments

I found it trapped in the surface tension of standing water, motionless, its wings curled and clouded with the memory of flight. A dragonfly—worn, delicate, yet still resolute in form—lay before me like a token of the warm midsummer air that had lifted it through the fields and over the waters. July in Ithaca brings with it such winged travelers, borne on breezes scented with milkweed and bee balm, and this one, though grounded now, seemed still to carry the echo of great distances.

The dragonfly is not of the brooding sort; it lives neither in shadows nor secret places. It claims the sky as its own, ranging wide and far with a grace born of ceaseless motion. This particular specimen, its body some two inches in length and its wings veined like the bare branches of winter trees, bore the telltale marks of the Wandering Glider—Pantala flavescens. Each wing was tipped with a black bar, as though the artist who made it had laid down a final, definitive stroke to balance the creature in the air. Near the base, a wash of amber yellow glowed softly, like the last light of evening behind thin clouds.

There is something unquiet about the dragonfly. It does not hover long nor does it dawdle. It darts, it glides, it shimmers in and out of sight. It is a creature of action and of space. The glider, especially, seems to belong not to any one stream or meadow, but to the wind itself. Naturalists tell us this species is among the most traveled of all insects, crossing oceans, riding monsoons, appearing in lands where no memory of its departure remains. What must it see? What sunrises shimmer from its compound eyes, what shorelines flash beneath its outstretched wings?

In the dragonfly’s manner, I find no sign of labor, only the silent art of survival. It patrols its airspace like a hawk, yet it bears no menace, only the precise and relentless hunger of a born predator. With each dart and glide it performs a service to the air—clearing it of gnats and mosquitoes, feeding itself without waste. Nature, in her economy, grants no idle beauty, and the dragonfly is both elegant and essential.

As I gazed at the delicate carcass, I thought of the old philosophy that linked the soul’s journey to the flight of birds. But here, perhaps, is a more fitting image: this dragonfly, which lives but a brief summer, yet might travel farther in its span than many creatures do in a lifetime. We are apt to call it “wandering,” as though it lacked aim or anchor. But I think it follows a thread of purpose invisible to us—something stitched into the weave of wind and weather, of season and sun.

It had come far, and its journey was complete. My wife provided an empty saffron spice box to preserve and display it—for the grandchildren to marvel over.

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