Asian Palm Swift
Encyclopedia
The Asian Palm Swift is a small swift
Swift
The swifts are a family, Apodidae, of highly aerial birds. They are superficially similar to swallows, but are actually not closely related to passerine species at all; swifts are in the separate order Apodiformes, which they share with hummingbirds...

. It is very similar to the African Palm Swift
African Palm Swift
The African Palm Swift is a small swift. It is very similar to the Asian Palm Swift, Cypsiurus balasiensis, and was formerly considered to be the same species....

, Cypsiurus parvus, and was formerly considered to be the same species.

It is a common resident breeder in tropical Asia
Asia
Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...

 from India
India
India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

 to the Philippines
Philippines
The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

. The down and feather nest is glued to the underside of a palm leaf with saliva, which is also used to secure the usually two or three eggs. This is a bird of open country and cultivation, which is strongly associated with Oil Palm
Oil palm
The oil palms comprise two species of the Arecaceae, or palm family. They are used in commercial agriculture in the production of palm oil. The African Oil Palm Elaeis guineensis is native to West Africa, occurring between Angola and Gambia, while the American Oil Palm Elaeis oleifera is native to...

s.

This 13cm long species is mainly pale brown in colour. It has long swept-back wings that resemble a crescent or a boomerang
Boomerang
A boomerang is a flying tool with a curved shape used as a weapon or for sport.-Description:A boomerang is usually thought of as a wooden device, although historically boomerang-like devices have also been made from bones. Modern boomerangs used for sport are often made from carbon fibre-reinforced...

. The body is slender, and the tail is long and deeply forke, although it is usually held closed. The call is a loud shrill scream.

Sexes are similar, and young birds differ mainly their shorter tails. Asian Palm Swift has very short legs which it uses only for clinging to vertical surfaces, since swifts never settle voluntarily on the ground.

These swifts spend most of their lives in the air, living on the insects they catch in their beaks. Asian Palm Swifts often feed near the ground, and they drink on the wing.
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