At that season it is frequently mistaken for the chipping sparrow, but the 2 rarely overlap in winter. The American tree sparrow often occurs in flocks of up to 50 birds. In habitat and behavior ...

This sparrow has a rufous eyeline and a larger build than similar species, often found in brushy areas during the winter months. Identifiable by its yellow lores and distinct white throat ...

Ornithologists recognize dozens of subspecies of these adaptable birds. Learn how to identify a chipping sparrow. Meet the white-crowned sparrow and white-throated sparrow. This bird constructs a ...

American tree sparrows are very common visitors ... at ground bird feeders and seed piles. Learn how to identify a Lincoln’s sparrow. Depending on season and location, sometime large flocks ...