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American Tree Sparrows are small, round-headed birds that often fluff out their feathers, making their plump bodies look even chubbier. Among sparrows, they have fairly small bills and long, thin tails.
Plump and long-tailed, American Tree Sparrows are busy visitors in winter backyards and weedy, snow-covered fields across southern Canada and the northern United States.
American Tree Sparrow. Adult. Photo: Robert Barnes/Audubon Photography Awards. At a Glance. This sparrow nests and winters farther north than any of its close relatives. Despite the name, it is not particularly associated with trees, and many of its nesting areas are on the tundra north of treeline.
The American tree sparrow (Spizelloides arborea), also known as the winter sparrow, [2] is a medium-sized New World sparrow. Taxonomy. It had been classified under the genus Spizella, but multilocus molecular evidence suggested placement in its own genus. Description. Measurements: [3] Length: 5.5 in (14 cm) Weight: 0.5-1.0 oz (13-28 g)
Identification. Hardy northern sparrow with plump body, small bill and long, thin tail. Note rusty cap and rusty (not black) eyeline, gray head and unstreaked grayish breast with dark smudge in center. Small flocks hop on ground, foraging for seeds, giving a soft, musical twitter.
Plump and long-tailed, American Tree Sparrows are busy visitors in winter backyards and weedy, snow-covered fields across southern Canada and the northern United States. Hopping up at bent weeds or even beating their wings to dislodge seeds from grass heads, they scratch and peck the ground in small flocks, trading soft, musical twitters.
The American tree sparrow (Spizelloides arborea), also known as the winter sparrow, is a medium-sized New World sparrow. It had been classified under the genus Spizella, but multilocus molecular evidence suggested placement in its own genus.
American Tree Sparrow. What they eat: American Tree Sparrows eat seeds, berries, and insects. They prefer millet and peanut hearts at platform and ground feeders. Where they live: These birds prefer to live in open woodlands, and tundra.
Learn more about the American tree sparrow, one of the hardiest sparrows in North America.
You may be seeing an American tree sparrow— a winter visitor throughout the central and northern U.S. Identifying American tree sparrows can be tricky, because some sparrows tend to resemble each other.