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Asian Palm Swift

From Opus

Subspecies infumatus Photo by SeeTohMarymount Terrace, Singapore, February 2016
Subspecies infumatus
Photo by SeeToh
Marymount Terrace, Singapore, February 2016
Cypsiurus balasiensis

Contents

[edit] Identification

13 cm (5 in). A small swift with extremely long and narrow wings.

  • Body brownish, darkest on crown, rump slightly paler
  • Wings thin and very long
  • Long and narrow tail-streamers (often held folded)
  • Juveniles are paler and have slightly shorter tail-streamers

[edit] Distribution

Southeast Asia: Indian Subcontinent, Sri Lanka, Bangladesh, Myanmar, Laos, Vietnam, Thailand, Malaysia, the Philippines and Indonesia.

Common and locally abundant. Not globally threatened.

[edit] Taxonomy

Forms a superspecies with the African Palm Swift Cypsiurus parvus and was also formerly lumped with this species.

[edit] Subspecies

Four subspecies recognized[1]

[edit] Habitat

Occurs wherever fan and betelnut palms are present. Cities, towns, cultivated area, rarer in forested areas. Up to 1500m.

[edit] Behaviour

[edit] Movements

A resident species.

[edit] Diet

Feeds on insects, eg. flying ants, termites and beetles. Highly gregarious, often found in foraging in mixed flocks with Little Swifts.

[edit] Breeding

Breeds all year round with local peaks. Nest built in palm fronds, sometimes in thatched roofs, usually small groups breeding together. The nest is a tiny half-cup, attached on three sides to palm leaves. The two eggs are not glued to nest as in African Palm Swift.

[edit] References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2015. The eBird/Clements checklist of birds of the world: v2015, with updates to August 2015. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/

[edit] External Links

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