white-throated swallow vs andorinha-dos-beirais-ocidental

The White-throated Swallow and the Western House Martin can be distinguished by their tail shape and plumage details. The White-throated Swallow has a deeply forked tail and a distinctive white throat, while the Western House Martin has a less forked tail and a white rump.

Look for the deeply forked tail and white throat of the White-throated Swallow. In contrast, the Western House Martin will show a white rump and a less forked tail. These features are visible in flight.

The White-throated Swallow features a white throat and a deeply forked tail, whereas the Western House Martin has a white rump and a less forked tail.