Female dark-eyed juncos are a little bit smaller and browner than males. New York: Alfred A. Knopf. Visit the Bent Life History page for additional information. What to do if you find a baby or injured bird. But I wouldn't be surprised to find out that both of those are wrong, if we had a good shot of the spread wing and/or tail. I think your assumption is probably correct – the bird staying closer to you was likely a female, with the male more wary, “standing guard” and keeping an eye on things. The oldest known wild dark-eyed junco lived at least 11 years and 1 month. Half the females dived and lunged at them, and a minority also performed aggressive tail-spreads not normally seen in females. If a predator comes near a nest, parents make "chip" sounds and fly around the nest area. Spotted underparts, hooded appearance with pale belly, back gray with hints of rusty color. Ways that people benefit from these animals. “The results provide some of the first evidence that female song can be rapidly regained in a songbird species,” says Jordan Price at St Mary’s College of Maryland, who has documented female songs in New World blackbirds. While watching a small flock of juncos at my bird feeder on December 17, 2012, I noticed one particularly brownish female. Males will winter farther North than females. The Atlas of Breeding Birds in Michigan. Barrowclough, F. 1983. Learn how your comment data is processed. The researchers also played recordings of a soft trill that females make when they are receptive to mating. Young juncos are also browner than males, and they have streaks on their breast. |  Animal Diversity Web  |  Cybertracker Tools.   Your link has been automatically embedded. The parents still feed the chicks for about 3 weeks after they leave the nest. The images below illustrate the range of color variations. Dark-eyed juncos are killed by many different birds, including sharp-shinned hawks, shrikes and owls. The Sibley Guide to Birds. Although many female tropical birds sing, singing females are rare among northern, temperate songbirds . Fed chickadees by hand, blue jays, chipmunks, squirrels…I miss them all. In the winter, they need more energy to keep warm, so they spend about 6 hours each day looking for food. Females tend to show a very slight crest, while males’ head profile is more rounded.   Your previous content has been restored. Paste as plain text instead, × New York: Reader's Digest Association, Inc. Sibley, D. 2000. Kari Kirschbaum (editor), Animal Diversity Web. 2002. I don't think the wing coverts are right for a 2nd-year bird, although I gather some populations don't show the molt limits. Each flock stays in an area about 10 to 12 acres in size. Thanks so much for posting the video “Birds 12/29/2010”. There is a resident popuation in the west. During the winter, they eat snow in order to get water. They develop strong leg muscles before they can fly so that they can run away from predators. × (Barrowclough, 1983; Reader's Digest Association, 1991; Sibley, 2000; Sullivan, 1999), Dark-eyed juncos (Junco hyemalis) breed from Alaska and central Yukon to Labrador and Newfoundland, south to central coastal California, in the mountains to eastern California, central Arizona, and western Texas, southern Alberta, northern and east-central Minnesota, central Michigan, southern New England, and in the Appalachian Mountains to northern Georgia and northwestern South Carolina; also in the Black Hills. (On-line). "Integrated Taxonomic Information Center" New York: Knopf. Nolan, V., E. Keterson, D. Cristol, C. Rogers, E. Clotfelter, R. Titus, S. Schoech, E. Snajdr. Females and 1st year birds show a lot of brown on the back and flanks. March 23, 2004 Considering subspecies and watching it a little further I noticed that it seemed more active and alert, darting around quickly and holding its body more upright than the other juncos. Both parents defend the nest from predators and clean the nest by removing fecal sacs. The immune system: can you improve your immune age? × Other populations nest across Canada and into Alaska. In winter, they can be found in weedy fields, open woodlands, hedgerows, suburbs, and farmyards. Saw a junco with a white eye ring at the feeder today. Readily comes to backyard feeders for sunflower seed and suet. A group of sparrows can be called a “flutter”, “ubiquity”, “crew” or a “quarrel” of sparrows. 716 (A. Poole and F. Gill, eds.). The Yellow-eyed Junco has a very limited range in southeastern Arizona. Dark-eyed … New York: Dover Publications. Stanford Alumni Association. McPeek, G. 1994. Nest is a cup-shaped structure built from grasses, mosses, small roots, bark, and twigs. Range is variable, depending on the race. Dark-eyed juncos drink water from streams or pools or from raindrops or dew on plant leaves. Your email address will not be published. They claim a territory by singing from the top of the tallest trees in a 2 to 3 acre area. They’re easy to recognize by their crisp (though extremely variable) markings and the bright white tail feathers they habitually flash in flight.