This martin has blue-black upperparts with a contrasting white rump, and white underparts. It resembles its close relatives, the Asian house martin and common house martin, but unlike those species it has a black throat and black undertail.
This martin has blue-black upperparts with a contrasting white rump, and white underparts. It is similar to its close relatives, the Asian house martin and common house martin, but unlike those species it has a black throat and black undertail.