Glossy black and white bodies and wings with a beautiful iridescent blue-green sheen on their back and tail feathers, both ...

The most widespread, numerous, and geographically variable chickadee, this bird ... noisy little parties usually contain titmice, nuthatches, woodpeckers, and other species. The calls of a flock ...

One of the most common winter sparrows, the white-crowned typically occurs in flocks, which may involve more than 100 birds ... Adult: black-and-white striped crown. Immature: tan and brownish ...