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Antarctic Petrel - BirdForum Opus

Photo by derekh42
Thalassoica antarctica


  • Chocolate-brown upperparts
  • Wings have a broad white trailing edge
  • White tail with a brownish-black tip
  • Underparts white, apart from dark throat and leading edge to wing


Antarctic seas and Antarctica


This is a monotypic species[1].


Pack-ice, icebergs, ice floes. Breeding more than 200 km away from the coast at nunataks on the inland glaciers.



The diet includes krill and other crustaceans, and small fish.


They nest in clefts, crevices and on ledges on sloping rocky cliffs in snow-free areas. Nest is situated directly open on ground, lined with small stones and gravel. One egg is laid and incubated for 45-48 days; the young fledge after a further 42-47 days.


  1. Clements, JF. 2011. The Clements Checklist of Birds of the World. 6th ed., with updates to August 2011. Ithaca: Cornell Univ. Press. ISBN 978-0801445019. Spreadsheet available at http://www.birds.cornell.edu/clementschecklist/downloadable-clements-checklist

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GSearch checked for 2020 platform.