Wire-tailed swallow (Nhạn đầu hung, Hirundo smithii)

The wire-tailed swallow (Hirundo smithii) is a small passerine bird in the swallow family. 

Traits:
- Chestnut upper half of the head;
- Black face;
- Two long feathers on the outer tail;
- Glossy blue upperparts;
- White underparts.

The genus name Hirundo is Latin for a swallow.