棕雨燕

分类位置

同属物种

棕雨燕

Asian Palm Swift

形态与习性

The African palm swift (Cypsiurus parvus) is a small swift. It is very similar to the Asian palm swift, Cypsiurus balasiensis, and was formerly considered to be the same species. The Malagasy palm swift was also recently split from this species. This is a common species with a very wide distribution which faces no obvious threats and may be increasing in numbers as a result of the cultivation of the exotic Washington palm, so the International Union for Conservation of Nature has rated its conse