Nov 6, 2014 | Featured Web Article

Is There a Snowbird at Your Feeder?

Dark-eyed juncos are often called "snowbirds" because they seem to show up at our feeders and in our backyards at the same time as the first snows begin falling over much of the country.
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Most Americans are familiar with the dark-eyed junco. Even those who don't watch birds often have probably noticed these common gray-and-white birds in their backyards. Dark-eyed juncos are often called "snowbirds" because they seem to show up at our feeders and in our backyards at the same time as the first snows begin falling over much of the country. For many of us, winter is the only time we have dark-eyed juncos around. They form large flocks in backyards, parks, and pastures, and along rural roadsides and woodland edges in just about every corner of the United States except southern Florida. Watch for the flash of white from their tail feathers as they dart between brush piles or scatter from feeding on the ground beneath a bird feeder.

How Can I Identify It?

Juncos are medium-sized sparrows (6 ¼ inches long), but unlike most sparrows, their plumage lacks streaking. Dark gray above and white below (or "gray skies above, snow below"), the junco has a cone-shaped, pinkish bill and flashes its white outer tail feathers in flight. Male juncos in the East are a darker gray than the brownish-overall females. Western juncos show a variety of plumage colors, and many of these color forms were considered separate species until recently. Now they are all lumped into a single species: dark-eyed junco. Juncos make a variety of sounds, all of them high-pitched tinkling trills, especially when flushed from cover. Their songs are very similar to those of the chipping sparrow—sometimes it's difficult to tell the two species apart when you can't see the singer.

Where Can I Find It?

These birds can be found throughout most of North America at some point in the year. In winter they can be found in every state. Look for them in brushy areas, fields, and, of course, in your backyard. They are often seen scratching through leaf litter, grass, or snow when looking for food. In spring, most juncos retreat to the far-north woods of Canada to breed, though the New England states and some areas in the West have juncos year-round. Spring migration begins as early as March and continues through early June. Fall migration occurs from mid-August through October.

What Can I Feed or Do to Attract It?

Juncos find their food on the ground, so in backyards they tend to hang around beneath bird feeders, picking through dropped seeds. They love white millet, which is found in most mixed wild birdseed blends and can also be purchased separately. Place some millet on a platform feeder or directly on the ground for best results. Another effective way to attract juncos is by building a brush pile near your feeding station. In spring and summer, juncos shift their diet from seeds to mostly insects, including caterpillars, grasshoppers, and spiders, and berries.

Where Does It Nest?

The junco's nest is a simple, open cup of grasses and leaves, loosely woven and lined with finer grasses, fur, or feathers. Nests are normally located on the ground in a concealed spot and built by the female. She incubates her three to five eggs for almost two weeks; the male helps with feeding chores once the young hatch. Within two weeks the young birds leave the nest, and the parents are free to start another brood if the season permits.

Excerpted from the regional backyard guidebooks by Bill Thompson, III, and the editors of Bird Watcher's Digest. View the entire series in our nature shop »

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