Wild Conversations
The ability of birds to migrate has always fascinated me. How is it possible that these small, some tiny, animals can make their amazing, demanding journey of hundreds of miles, twice each year?
But they do and much to my joy. While I follow with interest the full cohort of feathered visitors who return to my backyard for 6 months of the year, the birds I want to celebrate in this post are phoebes.
What makes them so special? Maybe it is because the screechy “fee-bee” of the male, who is among the first birds to arrive in April, is a harbinger of spring, assuring me that it is here at last. I think of phoebes as neighbors, even friends, the same ones that made the migration last year and maybe were even born here last summer. The male’s call lets me know they’re back, perched nearby, tail-bobing in anticipation, waiting to snatch prey in mid-air in a display of finely-tuned acrobatics. The repetitive call at this point is a way of warning other males that the territory has been claimed, letting them know that he’s simply waiting for the arrival of the female, which will happen a couple of weeks later.
After her arrival and their mating, they select a nest site. This is another reason why I like phoebes. It’s easy to follow the details of nest location and construction, because they seem to insist on building nests close to houses, frequently by the front door or a window, or in an open garage. The actual building of the nest is done by the female, a construction of mud, moss, and grass, which is sometimes constructed right on top of a former nest.
The female also does all the incubation of the 3-5 eggs, rarely leaving the nest during this time. The incubation period lasts 16 days, with the male perching nearby. Both the male and female feed the hatchlings, foraging on the ground or among shrubs for soft-skinned larva for the first days, in contrast to their usual aerial fly-catching.
The nestlings’ growth is swift. After about six days, the young begin to perch on the edge and flap their wings. At this point, I watch with amusement as the nest fills quickly to overflowing, full of big eyes, wide beaks, and downy feathers. I have not yet ever seen the fledglings exit their nest, but I can’t help but think it must be an amazing and amusing sight.
Once out of the nest, fledglings stay close to their parents for up to 3 weeks. At first the parents provide their food, but after the first week they begin to feed on their own. Last summer, on June 4th to be exact, I happened by chance to observe this very transition in action. I noticed two fluffy phoebes, obviously fledglings, perched close to each other on the back of one of our deck chairs. In flew a parent, whose landing
bumped the far fledging off the top of the chair. The new dyad, young’un and adult, sat side by side, facing in different directions, one clearly looking for food and one clearly waiting for food to be delivered, quite oblivious to what it could do to make this happen. As I watched, the parent eventually flew off but the fledgling stayed on, occasionally opening its mouth wide as if to invite feeding, just as if it was still in the nest.
Soon after this sighting, a second brood was incubated and hatched in the same nest: it had undergone a few minor “improvements.” As summer ended, what had started as two phoebes, now were perhaps 10 in number. How many of the newbies, I wondered, will make the trip successfully south and then come back again next spring? It could be crowded here!
My last phoebe sighting was on October 9th, my little hero sat on a branch of a crabapple tree, tail-twitching, frequently darting out to catch prey in bursts of aerial prowess before returning to its perch. Most phoebes are on their way south by early October. I considered myself lucky to see this friend in action one last time, much too busy to take notice of my admiration.
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Eastern phoebes, the type we have here in Vermont, spend their winters in the Southeastern US and the Gulf of Mexico. Their return begins in late September and continues into early October. In preparing this post, I ran across an online site that shows the times and routes that phoebes and other migrating birds follow each year.
https://explorer.audubon.org/home?threatOverlay=expand&legend=collapse&layersPanel=expand&gclid=CjwKCAjwoqGnBhAcEiwAwK-Oka6FnkqvZQy5PC5id_EQHnr0d9__p3c9k2UW5S9ZKSRAe7EnQTRFSRoC244QAvD_BwE&y=3093234.381213841&x=1513344.0656825977&zoom=6
*Audubon also offers a fascinating description of how birds prepare for their journeys and are able to survive their long flights.
https://www.audubon.org/news/five-incredible-ways-birds-change-their-bodies-spring-and-fall-migration
*Be sure to watch this short, amusing video about life in a crowded nest. https://www.youtube.com/watch?v=ywKyHpMrTY8
*Phoebes are just one type of flycatcher found around the world. In general flycatchers are not endangered, in fact their numbers are on the increase and are estimated to be around 33,000,000. Flycatchers are usually variations of gray, black, and brown, sometimes with stripes on their wings, and most have broad flattened bills. A beautiful, colorful exception is the vermilion flycatcher, a summer resident in the lower Midwest, Florida, and the Gulf coast.
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