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Slender-billed Prion - BirdForum Opus

Photo by Rob Hynson
Eaglehawk Neck, Tasmania, Australia, July, 2016

Alternative name: Thin-billed Prion

Pachyptila belcheri


Length 26cm. Underparts white, back grey with conspicuous dark W on wings and back. Gray of back wraps partly around neck. Thin blue-grey bill, pale blue feet. White supercilium gets broader behind the eye, darker lines above and below. Tail has a thin black tip.

Photo by Jon Gallagher
Drake Passage, November 2012


Southern Ocean and around Antarctica, Argentina, Australia, Brazil, Chile, Falkland Islands, French Southern Territories, Kenya, Republic of Mauritius, New Zealand, Peru, Saint Helena, South Africa, South Georgia and the South Sandwich Islands, and Uruguay.


This is a monotypic species[1].


Open sea and islands for breeding.



The diet includes mainly crustaceans, with some fish and squid. It drinks seawater and has salt glands to get rid of extra salt.


This bird only goes to land to bring up its young. They nest in burrows under rocks or under low plants. One egg is laid and both parents look after the chick.


  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2016. The eBird/Clements checklist of birds of the world: v2016, with updates to August 2016. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/

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