Barn Swallow vs Pearly-eyed Thrasher

The Barn Swallow is a small, agile bird with a distinctive long, forked tail and glossy steel-blue upperparts, while the Pearly-eyed Thrasher is a larger, robust bird with a stout bill and pale eyes. Barn Swallows are often seen in open areas, catching insects in flight, whereas Pearly-eyed Thrashers are more terrestrial, foraging on the ground or in vegetation.

Look for the Barn Swallow's long, deeply forked tail and glossy blue upperparts when in flight. The Pearly-eyed Thrasher can be identified by its pale eyes and robust build, often seen foraging on the ground. Note the habitat: swallows are typically in open areas, while thrashers are more versatile in habitat choice.

Barn Swallows are smaller (17–19 cm) and more slender than the larger and bulkier Pearly-eyed Thrasher.

Barn Swallows have glossy steel-blue upperparts and a rufous-chestnut throat with a broad blue breastband, while Pearly-eyed Thrashers have more uniform brown plumage with pale eyes and lack the swallow's distinctive tail streamers.

Barn Swallows are aerial insectivores, often seen swooping and gliding in open areas. Pearly-eyed Thrashers are more terrestrial, foraging on the ground or in low vegetation, and are known for their adaptability and opportunistic feeding habits.

Barn Swallows prefer open habitats like fields and wetlands, often near water. Pearly-eyed Thrashers are found in a variety of habitats, including forests and urban areas, showing great adaptability.

Barn Swallows have a series of cheerful, twittering calls, while Pearly-eyed Thrashers have a varied and often harsh vocal repertoire.