Chickens and the Origins of Flight

Observing all the different uses our free-range chickens put their wings and feathers to has led this week to some speculation about how flight evolved. Chickens are particularly instructive in that they are not capable of full-fledged flight. They are, however, capable of wing-assisted hops--to reach the top of a fence, or to flutter upwards from branch to branch as they climb to their favorite roosting spot. And in the morning, when they descend, they use their wings to break their fall to the ground. Back when we were picking the chickens up and holding them, it was a delight, and convenient, to just toss them into the air and let them flutter softly down.

Their wings provide adjustable warmth, fluffed to varying degrees to match the cold of a particular night. That capacity to manipulate their feathers for warmth translates well to any micro-adjustments feathers make to optimize flight. As mentioned in a post describing a hawk attack, the strong quills of a chicken's wings also provide an incredibly light-weight, multi-layered armor, any portion of which can be shed so that a predator, thinking it has a firm grasp on the chicken, finds itself instead holding only a feather or two while the chicken escapes. That multilayered defense serves as well to shed the rain. Feathers also are mobilized for a powerful display, spreadable to make the chicken look bigger to potential predators, or more attractive to a potential mate.

After observing a chicken, flight can seem like an afterthought--a bit of serendipity that came to pass after wings and feathers gradually developed for a host of other purposes, each adaptive use enabling another in a positive feedback loop that ultimately led to the purity of flight.

Charismatic Chickens Explore Their Wild Side

For a long time, our chickens stuck to the straight and narrow. They lived as everyone expected them to, spending their days scratching and pecking at bugs and worms in the yard, nibbling seeds off the grass, turning all that foraging into eggs, then dutifully returning to the coop each night to sleep, or whatever trance-like state chickens attain while roosting.

We in turn would dutifully feed them, open and close the coop door each day and night, and gratefully, somewhat guiltily, make off with the eggs. My respect grew for these gentle Araucanas, going about their days, so purposeful, so competent, so giving in their convenient repackaging of nature's abundance. When arctic air swept through, they would roost in the unheated coop as always, then step spryly out of the coop the next morning, impervious, as if antifreeze coursed through their veins.

The relationship started to change, though, a year or so ago. Perhaps the four chickens had depleted our yard's supply of wild food. They discovered they could cross over the back fence, and find fresh gleanings in the town park. I began getting reports of the great delight they were bringing to kids and parents. Then they ranged farther afield, three doors up to our neighbors' backyard, where they could gorge on birdseed spilled onto the ground from the birdfeeder. They still dabbled in our tray of standard issue chickenfeed from the farm supply store now and then, but you could tell their standards had changed. They were developing new tastes, new friendships.

They continued returning each night to sleep in the coop, and continued supplying eggs. We thought ourselves so lucky, to be reaping the harvest of eggs and pleasant anecdotes these beneficent creatures produced. They were like salmon, feeding broadly, then returning with an uncanny homing instinct to feed us generously. But then one of the chickens stopped showing up at the coop at dusk. We worried that a hawk might have gotten it, but our neighbors would report seeing it during the day. Another chicken disappeared altogether, considered gone for sure until a neighbor on the other side of the park sent word that it had adopted her yard. She loved how it would come running to her when she brought it food and water. I tried to retrieve it, but the chicken clearly did not want to be caught.

The freedom of coopless living ultimately seduced them all. Our coop lay abandoned by the birds it was meant to protect. We'd spot them sporadically, in front yard or back, or up at the neighbors' as they made their daily rounds. No one knew where they were roosting, nor where the eggs, if any, were getting laid. We thought of catching them and closing them in the coop for a few days to get them back into old habits, but in a way they've outgrown that old domestic servitude, the grind of laying egg after egg to serve the master. They've discovered an old forgotten resourcefulness, awakened dormant capacities deep in their genes. It seems a dangerous life, unprotected at night, and yet they survive. It helps that the foxes don't get up this way, and raccoon sightings are rare.

Last week, I had been up very early and was just heading back to bed at 7am for a brief doze when I heard a blood curdling screech just outside our bedroom window. I ran outside with a coat over my pajamas and peered into the bushes. A coopers hawk burst out, flying right past me and up to a tree nearby. Such magnificent creatures they are. I peered more closely at the ground next to the house and saw the brown chicken, motionless in the window well. Surely it couldn't have survived such an attack, but then its head suddenly popped up. It jumped up out of the window well, gave me a quick look, then disappeared under the shrub. It had lost a few feathers, but otherwise looked fine. The feathers of a chicken, I'm realizing, provide not only magnificent insulation and some modest flying power, but also serve as a shield that confounds predators' attempts to penetrate it. The predator ends up with a feather in its mouth while the bird scurries away, and the rachis--that stiff central stem of the feather--serves collectively as body armor.

Of course, if I hadn't shown up, the coopers hawk would have ultimately had its breakfast, lunch and dinner, and we would have grieved. The chickens' choice of freedom comes with risks.

Just a few days ago, my daughter reported that the chickens were now roosting at night in an evergreen shrub at the corner of our house, eight feet up from the ground. It's comforting to know they are near. Each evening, I stop by to say hello,

and leave food nearby, under a recycling bin that got broken being used as a target for backyard lacrosse practice, then got partly consumed making trail signs for a local preserve, and now has a new life keeping rain and snow out of the chicken feed. There's collected rainwater to drink in the fillable-spillable tub in the backyard.

If a big snowstorm comes, we may pluck the sleepy chickens from their roost and put them in the coop for the night. We're letting them make up their own life as they go along, which may include a return to the coop. Yesterday, I saw the brown chicken walk over and disappear into the coop. Later on, I stopped in to find two fresh eggs, the first laid there in months. Maybe that's how a chicken says thank you if you save its life.

UPDATE: After six inches of snow fell, the chickens looked like they were going to stay up in the bushes all day, to keep their feet warm. We plucked them down and closed them in the coop for a couple days until the snow melted (this winter's like North Carolina, not New Jersey).

Any hopes that two days in the coop would rehabituate them to returning there each night were dashed, however. A few pecks at the cracked corn in morning light and they were back to their accustomed rounds,

then roosting again in the bushes next to our house for the night. It's interesting to see how they keep their feet warm while roosting, by squatting down so their feet disappear under the puffed up feathers.

Eggs from our "Easter egg chickens". In a new twist, the egg on the right has two shades of green.

An Unexpected Halloween Visitor

When my daughters came in the house yesterday evening to report that a raccoon had scared them en route to closing up the chicken coop, it didn't even occur to me that it happened to be Halloween night.

True, there had been a curious masked visitor in the backyard earlier in the day, someone wearing a wig and his favorite CD. That two minute selfie session with a cellphone had been the full extent of our observance of Halloween, other than the white plastic pumpkin decorating the "Wishing the Earth Well" leaf corral out front next to the sidewalk. Our street is not popular with trick or treaters to begin with, and we did nothing to lure them.

The lack of lights and decoration did not deter the night's one trick or treater from showing up, however, not at the front door but behind the house. Though raccoons are considered ubiquitous urban denizens, we had not seen one in the neighborhood since 2004, when a confused specimen passed through our backyard, looking lost.

My daughter's sighting didn't come as a complete surprise, though.

First, it explained what, or who, had been bending the wire fencing of one of my backyard leaf corrals, in a recurrent and unsuccessful attempt to get at its inner core of kitchen scraps. The rotting lettuce and old dogfood, out of reach behind hardware cloth, was the treat, and it was surprising the raccoon hadn't figure out a trick to get at it.

Second, there was the question of whether the raccoon's interest went beyond kitchen scraps to include our four chickens, two of which had taken to roosting in nearby evergreens and bushes rather than taking shelter in the coop. The assumption is that, come winter, if winter comes, the chickens would drop their summer dalliance with self-sufficiency and take refuge in the coop at night.

The girls gave me the flashlight, to lead the daring expedition back to where the raccoon had been spotted.

"Do you think it has rabies?", one of my daughters asked from behind me, not understanding why I wasn't more fearful. When I see a raccoon, I'm cautious of course, but inside, my heart begins to melt. My thoughts return to when they would visit my childhood home, surrounded by woods at the end of a road on the outskirts of a small Wisconsin town. They had been getting into our garbage cans, and all attempts to keep them out had failed.

One day, in broad daylight, a raccoon showed up in our side yard, sad looking, weak, clearly a reject from raccoon society. We named it Rangy, for its bedraggled appearance, took pity on it and gave it some food.

It may have been about this time that my father realized that, if we put our food scraps in a pan next to the woods, the raccoons would leave our garbage cans alone. This proved to be the beginning of a wonderful friendship. As the raccoons began to visit the pan, we decided to install a light to illuminate the edge of the woods, the better to see them. Soon we were tossing them peanuts in the shell from an open window. Closer they came, caution slowly yielding on both sides, until we reached the point where we could step out onto the back patio, hold a peanut out, and they would approach. They'd stand up gracefully and reach for it with those wonderful, delicate paws, take the peanut gently and scoot a short distance away to feast upon it. More and more came. The grownups would bring their young the next year. One night we counted 16. Rangy the Reject had spawned a coming together of human and raccoon society.

This was the era of books like Rascal, and Raccoons are the Smartest People. We knew what rabies was, had seen it occasionally in the odd behavior of an animal--like the groundhog that confronted me on a town street while biking home from school--and we respected the wildness of raccoons too much to consider having one as a pet. But that didn't deter us from appreciating all that is wonderful about them. One evening, we opened the kitchen door to see four raccoon cubs climbing on the screen door, their mother on the porch behind them. The mother was Whitey, the tamest and most gentle of them all, named for the beautiful white fur on her underside. She had brought her new family to meet us. By then, we were actually letting her come in the kitchen door a few feet to get peanuts. Somewhere, there's a photo of her reaching up to touch the knob on our little black and white TV. Of course, we always made sure she had an escape route, so as not to feel trapped. No one ever dared get between her and the open door.

The raccoon that visited us last night, like Rangy long ago, also seemed like a reject. It didn't run away at our approach, but instead remained perched on the fence, looking at us. Though large, it seemed weak and slow. Finally, it climbed awkwardly down the fence and disappeared into the dark.

To be on the safe side, we decided to pluck Buffy, the last of our first batch of chickens from five years ago, from her perch in a nearby lilac bush, and put her in the coop with two others. We closed the coop and headed back in.

To some extent, our free range chickens offer a similar experience to what I had as a child. We feed them, but mostly they forage for themselves, tame and yet living their own lives. Where once I delighted as the wild became more tame, with the chickens we watch as the tame explore aspects of the wild. Last night, those two worlds intersected next to the chicken coop. I thought of leaving some food out for the raccoon in nights to come, but then thought again. How to handle this convergence, for the good of all involved, is not at all clear. I don't expect any reprise of a childhood in small town Wisconsin. Whether the answer is trick or treat, our backyard Halloween is just beginning.

Chickens Star at Littlebrook Science Day

Our four chickens emerged from the box yesterday morning with the realization that they weren't in the backyard anymore. This was new territory, the courtyard of Littlebrook Elementary, and they were about to bring the joys of their charismatic chickenhood to a steady stream of 5-12 year olds as part of Science Day. Each year, Littlebrook has parents and others in the community come on Science Day to share their scientific knowledge with the students in 20 minute bursts at stations located all over the school.

On a day graced by gorgeous weather, the kids came to the courtyard to hear the story of how my daughter, a Littlebrook grad years back, had come home one day from middle school wanting to get chickens. Her parents were not exactly thrilled with the idea. My one experience with caring for birds had been an ill-fated attempt, as a kid, to save an injured robin. I had concluded that birds were mysterious creatures whose needs I could never understand nor provide for other than through restoring habitat. My daughter persisted, however, and we finally made a springtime trip out to Rosedale Mills to buy two-week old Araucana chicks.

After graduating from bathtub to backyard and quickly growing to adulthood, they started laying eggs in the fall. Over the ensuing four years, the chickens have proven to be wonderful, healthy, resourceful, even soulful "pets-with-benefits", requiring little more than food, water, and a homemade coop to provide shelter at night. This year, they and the resident duck have been discovered by neighborhood kids, who peer at them through the fence from little Potts Park on Tee-Ar Street just behind our house. The trip to Littlebrook was their first road gig.

After the kids had spent some time following the chickens around the courtyard, we regathered at the table to look at the unusual colors of the Araucana's "Easter Eggs", and see how one can roughly tell the age of an egg. If it drops to the bottom of a pan of water and lays flat, it's fresh. If it stand upright, with one end lighter than the other, then it's been around for awhile. Liquid slowly escapes through the shell over time, to be replaced by air that makes the egg more buoyant. The older eggs are good for hard-boiling, since the air inside makes them easier to peel.

Occasional breaks offered some time to botanize in the well-kept courtyard, which is used for art classes and growing food and native plants. One special native is the native strawberry bush (Euonymus americana), which is so loved by deer it can only grow large and full like this in protected yards in town.

Like the nonnative winged Euonymus, which the deer don't much like and so out-competes the natives in our preserves, the native has barely noticeable flowers. The "strawberries" come later, in the form of bright red, ornamental seeds that give the native shrub the name "hearts a' bustin'". At some point, when nature's checks and balances are restored and our forests come back into more ecological balance, the native Euonymus will thrive once again in our woodlands. Until then, backyards and school courtyards make a fine refuge.

There was considerable uncertainty as to how we'd get the chickens back into the box at the end of the day. When the last class departed, some chicken chasing ensued. One proved very hard to catch, as it would dart away and flap its wings at the very instant we tried to wrap our hands around it. Students watched from their classrooms, highly amused as three of us chased the chicken around the courtyard, clearly outmatched by this speedy descendant of dinosaurs. Good thing that I had planted this patch of raspberries years back as a Littlebrook parent volunteer. We managed to corral the chicken in the raspberry patch, where the foliage was dense enough that the chicken could not see my hands descending from above.

Have to say how good it felt to be back at Littlebrook, where principal Annie Kosek has cultivated over the years a wonderful staff and spirit of learning. Martha Friend, whose depth of caring extends beyond the school and into the community, teaches science, and Jenny Ludmer and all the other Science Day organizers had everything running smoothly. Thanks to Jenny's son, who has chickens at home, for providing critical assistance with the end of the day roundup.

Conquering Backyard Ivy in an Ivy League Town

After weeks of inaction, paralyzed by inertia and wondering if once again the garden would bowl me over with its growing power, I finally ventured out with gloves, dirt-friendly clothing, and some clippers to take on some of the backyard's longstanding "issues". To my surprise, there was satisfying progress to be made, that actually built on progress past.

Many gardeners have "border issues", that is, plants invading their yards from their neighbors', or vice versa. A friend recently showed me how lesser celandine was continually spreading into his yard from his uphill neighbor, and there are many stories of bamboo's indifference to society's artificial boundaries.

For years, my yard had waves of english ivy coming in from three sides, but two of my neighbors, without my saying a word, got rid of all of theirs. And where my yard abuts the park in back, I was able to get rid of the parkside ivy by taking the liberty of mowing it, after which the parks crews apparently have been weedwhipping any resprouts.

Taking advantage of the soft soil after yesterday's rain, I finally took on the legacy of ivy on my side of the fence, using physical means. The first phase was an on-hands-and-knees approach, pulling and cutting off any ivy growing on the fence.

Ivy heading up a tree got cut at the bottom. No need to pull it down. Cutting at the base is enough, though some people find it more satisfying to pull it all off.

For phase two, large pieces of cardboard were placed along the fence, overlapping, and any ivy still exposed further in was pulled out and thrown on top of the cardboard, where it will dry out. Some native vines--virginia creeper, wild grape, and poison ivy--were pulled as well, though the main goal was to eliminate english ivy. Gloves, long sleeves, and periodic washing of any potentially exposed skin with water should be enough to avoid poison ivy's effects, but we'll see.

The chickens came over to inspect my work, and seemed satisfied. Phase three would be to cover up the cardboard with chips or some other organic material that will hide the cardboard and keep it from getting blown by the wind. But the cardboard will quickly disappear behind a screen of growth in the yard, and some exposed cardboard may prove instructive to park users, who may decide to try using cardboard to deal with their own border issues.

Elsewhere in the yard was additional proof of how even intimidating weeds can be controlled by timely intervention. Only a few garlic mustards came up this year, because they've been getting pulled each spring before they go to seed.

And the big bamboo patch that once was advancing across the fence on the north side is down to a few weak sprouts easily cut. Other weeds--the Canada thistle and the dandelions--got the undercut treatment with a shovel.

There is, of course, the option of eating the young leaves of garlic mustard, and I saw a chinese woman inspecting some bamboo clones across the street, in search of bamboo shoots.

Some of the more aggressive native species got a rebalancing. A native floodplain species of goldenrod that spreads via underground rhizomes got pulled out in places. In the photo is the base of a bottlebrush buckeye--a beautiful native shrub that can start grabbing territory once established. It was a relief to discover that its expansionist ambitions are realized via above ground stolons that can be easily cut.

Mixed with the pulling and digging and rebalancing was some appreciating, of the subtle pendulant blooms of a Bladdernut, a native shrub found in only a few isolated spots in Princeton.

Kids and Chickens

There's a special transaction happening across this chain link fence that separates Potts Park from our backyard. The kids in the park have discovered our chickens. Maybe they heard the plaintive call of our duck, and came over to take a look. Though the park has some nice play equipment, a sandbox, ballcourt and a couple picnic tables, one parent told me the main attraction is now our four chickens.

I like to think that the chickens are teaching the kids to regard their surroundings with a keen eye, because a chicken is constantly scrutinizing the ground and plants around it, scratching the earth to see what's there. Are farms, gardens and chickens a gateway into the natural world? Follow an environmentalist's genealogy back a generation or two and you'll often find a farm.

Our chickens and duck have the run of the place all day, returning dutifully to the coop at dusk. I put some feed out, but mostly they forage for themselves, and so in a sense occupy a spot along the continuum between tame and wild. Such animals can serve as intermediaries, ambassadors, allowing a connection to that living world beyond neat yards and indoor pets, a bridge to the wild that the heart can traverse.

I Like Ice

This being an election year, I'm going to resurrect the "I Like Ike" campaign slogan from the Dwight Eisenhower 50's, with a slight twist to make it relevant to climate change.

One of the most expressive features of our backyard, in addition to the duck, the four chickens, and all the native wildflowers, is the collection of miniponds that capture runoff coming in from the neighbors up the hill. One pond in particular, eight feet wide, a foot deep, changes almost daily as temperatures range above and below freezing. Thaw serves as the eraser, and each freeze brings a new creation.

On Feb. 18th and 19th, the pond became a canvas for some particularly unusual patterns. Because the pond is unlined, water can slowly seep down through the semi-permeable clay underneath, creating stresses in the ice as it loses the support of the water beneath it. In one of these photos, one can see how on these particular days the ice actually had two layers, one a couple inches below the other, with ribs creating chambers between them.

The photos should expand for a better view if you click on them.

There were swirls and dots,

feathered edges and interactions between plants and ice,

bearded stars, and lines radiating out from a central point.

This breakaway shows the double deck ice, suspended over the slowly falling water level.

Some patterns were like suture lines in a stitched wound,

ice like sinews, or sinew-like ice,

more swirls and stars,

and a bending 'round the remains of sensitive fern.

From a distance, it looks far less impressive, and would have been missed altogether if I hadn't needed to make the daily morning jaunt to the coop to let the birds out.

Teaching an Old Chicken Old Tricks

After a few years, chickens and ducks stop laying eggs. Our peking duck laid one egg per day like clockwork for several years, but stopped suddenly this past fall, even though she still waddles about the yard as robustly as ever. Our one hen remaining from the first batch, bought about four years ago, also stopped laying around the same time.

There followed then a lull of about a month, when we finally gave in and bought a dozen eggs at the grocery. Strange feeling after several years of home grown. Then, just as days were narrowing down to winter solstice, the three chickens we bought this past May came online, began their tour of beneficence, or however you'd like to describe the remarkable generosity that is a hen's nature. Though all are araucanas, one lays brown eggs, while the others lay variations on green and blue.

Then one day in late December a tiny egg appeared, as if a quail had happened by for a brief visit. Sometimes that can mean a chicken has just started laying. I wanted to believe the older white hen had found new inspiration. Hard to say, but if one looks closely enough at the greenish eggs, one can see three different shades, with one grayer, one bluer, and one just possibly from an old hen made newer.

Araucanas are sometimes called "easter egg" chickens, because of the varied colors of their eggs, and sometimes when the eggs aren't showing up in the usual spot in or near the coop, we do a good imitation of an Easter egg hunt searching for their new nest. I hear that Araucanas are also particularly resilient in cold weather. That will be tested this weekend, when temperatures are predicted to dip nearly to 0.

When Snow Snazzed Up the Morning

Winter's second snow caught us by surprise. I had just put the shovels away, but they were hardly needed, as this snowstorm snazzed up the landscape without snarling traffic, beautifying the morning before fading away in the afternoon sun. The snow added definition to the landscape, revealing the outline of the ephemeral stream that flows from the neighbor's yard down into ours.

making clear the boundaries between aqueous and terrestrial.

Even in a freeze, the chickens can still find water where our tiny stream, a thin blue line on old maps of Princeton, trickles past the sedges.

The fillable, spillable ponds, fed by snowmelt from the roof, received a cheery rim of snow,

and an idea for leaf corral as scroll-shaped sculpture sprang from a shape unseen until the snow gave it a defining presence.

The snow made this fence into an optical illusion (doesn't it look like the photo isn't quite rectangular?),

and even turned unsplit wood into an artful assemblage. If all unfinished work received such ornament, what a beautiful world it would be.