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Short-tailed Shearwater - BirdForum Opus

Revision as of 14:10, 22 May 2019 by SeeToh (talk | contribs)

Alternative name: Muttonbird, Slender-billed Shearwater

Ardenna tenuirostris

Photo by SeeToh
Straits of Singapore, May 2019

Identification

41-43 cm.

  • Dark sooty-brown overall plumage
  • Pale chin with slightly paler breast and belly
  • Prominent whitish area along centre of underwing
  • Toes extend beyond tip of short tail
  • Dark bill, legs and feet

Similar species

Sooty Shearwater is larger, stiffer in flight, and the pale underwing panel is concentrated on primary coverts in this species.

Distribution

Breeds on small islands near Australia. In non-breeding season, disperses to northern Pacific and Beering sea, where performing a clock-wise movement ending near California for those birds not hurrying back to breed.


Photo by SeeToh
Straits of Singapore, April 2017

Taxonomy

This is a monotypic species1.
Formerly placed in genus Puffinus.

Habitat

Small islands

Behaviour

The diet includes krill, squid and fish.

They excavate burrows for nests and 1 white egg is laid.

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/

Recommended Citation

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