• Welcome to BirdForum, the internet's largest birding community with thousands of members from all over the world. The forums are dedicated to wild birds, birding, binoculars and equipment and all that goes with it.

    Please register for an account to take part in the discussions in the forum, post your pictures in the gallery and more.
ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

Short-tailed Shearwater - BirdForum Opus

Alternative name: Muttonbird, Slender-billed Shearwater

Ardenna tenuirostris

Photo by SeeToh
Straits of Singapore, May 2019


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.


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


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


Small islands


The diet includes krill, squid and fish.

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


  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

External Links