Dusky Crag Martin vs Barn Swallow

In short

The Dusky Crag Martin and Barn Swallow can be distinguished by their tail shapes and plumage. The Barn Swallow has a long, deeply forked tail with white patches, while the Dusky Crag Martin has a shorter, square tail without white patches. Additionally, the Barn Swallow features a glossy steel-blue upperpart and a rufous-chestnut throat, whereas the Dusky Crag Martin is more uniformly dusky brown.

Identification tips

1. Tail Shape: Look for the Barn Swallow's long, deeply forked tail with white patches on the inner webs of the rectrices. The Dusky Crag Martin has a shorter, square tail without white patches. 2. Plumage: Note the Barn Swallow's glossy steel-blue upperparts and rufous-chestnut throat, compared to the Dusky Crag Martin's uniform dusky brown coloration.

Plumage

The Barn Swallow displays glossy steel-blue upperparts and a rufous-chestnut throat with a broad steel-blue breastband, while the Dusky Crag Martin is uniformly dusky brown. The Barn Swallow also has creamy or buffy white underparts, contrasting with the Dusky Crag Martin's more consistent dusky tone.