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Biscutate Swift

From Opus

Photo by Jamfaraco Itapirub/Imbituba-SC, Brasil, October 2005
Photo by Jamfaraco
Itapirub/Imbituba-SC, Brasil, October 2005
Streptoprocne biscutata


[edit] Identification


  • Black-brown plumage
  • White nape and white upper-breast patches
  • Fore-face paler, sometimes throat paler too
  • Long, broad wings
  • Square tail
  • Sturdy body

[edit] Similar Species

A large Swift, similar to White-collared Swift and White-naped Swift.

[edit] Distribution

Found in South America. From North-eastern to South-eastern Brazil, also recorded in Paraguay and Northern Argentina.
Common and not globally threatened.

[edit] Taxonomy

[edit] Subspecies[1]

Two subspecies recognized:

  • S.b. biscutata in South-eastern Brazil (Minas Gerais to Rio Grande do Sul), Paraguay and Northern Argentina
  • S.b. seridoensis Serido in North-eastern Brazil

[edit] Habitat

Usually over lowland evergreen forest, also montane evergreen forest, temperate forest and scrub.

[edit] Behaviour

The movements of this species are not yet fully understood and it may be a transequatorial migrant. Wintering grounds of nominate subspecies not known.

[edit] Diet

Feeds on insects, taken in flight. Like other Swifts highly gregarious and often in big flocks around waterfalls. Does not often associate with White-collared Swift.

[edit] Breeding

Breeds from October to December, nesting in dry caverns. Nest is a bowl-shaped disc made of lichens, mosses and leaves.

[edit] References

  1. Clements, JF. 2008. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2008. Ithaca: Cornell Univ. Press. ISBN 978-0801445019.

[edit] Recommended Citation

[edit] External Links


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