American Oystercatcher vs Tawny-throated Dotterel

In short

The American Oystercatcher and Tawny-throated Dotterel are both shorebirds, but they differ significantly in appearance and habitat preference. The American Oystercatcher is a large, conspicuous bird with a striking black and white plumage and a bright orange bill, found exclusively in coastal marine habitats. In contrast, the Tawny-throated Dotterel is smaller, with a more cryptic buff-and-black striped plumage, and inhabits open grasslands and high-altitude regions in South America.

Identification tips

1. Bill Color: Look for the bright orange bill of the American Oystercatcher. 2. Habitat: Check the habitat; coastal areas suggest American Oystercatcher, while open grasslands suggest Tawny-throated Dotterel. 3. Plumage: Note the bold black and white contrast in the Oystercatcher versus the cryptic buff-and-black pattern of the Dotterel.

Size

The American Oystercatcher is larger and more robust compared to the smaller, more delicate Tawny-throated Dotterel.

Plumage

The American Oystercatcher has a bold black head and upperparts with white underparts and a bright orange bill. The Tawny-throated Dotterel has a buff-and-black striped back and a tawny throat, making it more cryptic.

Behaviour

American Oystercatchers are often seen in coastal areas, feeding on bivalves, while Tawny-throated Dotterels can be secretive, often freezing and using their cryptic plumage to blend into open grasslands.

Habitat

American Oystercatchers are restricted to coastal marine habitats, whereas Tawny-throated Dotterels are found in open grasslands and high-altitude areas in South America.