Black Sawwing vs Sand Martin

The Black Sawwing and Sand Martin can be distinguished primarily by their tail shape and plumage color. The Black Sawwing has a distinctive forked tail and glossy black plumage, while the Sand Martin features a less pronounced forked tail and brown upperparts.

Tail shape: Look for the forked tail of the Black Sawwing compared to the less pronounced fork of the Sand Martin. Plumage color: Note the glossy black of the Black Sawwing versus the brown upperparts of the Sand Martin.

The Black Sawwing is characterized by its glossy black plumage, whereas the Sand Martin has brown upperparts with a white underside.