
TheCape-Pigeon Rocks are twin rocky promontories on the western side ofWatt Bay, 6 kilometres (3 nmi) south ofGarnet Point. They were discovered by theAustralasian Antarctic Expedition (1911–14) underDouglas Mawson, who gave the name because of the large rookery ofCape petrels (also known as Cape pigeons) here. TheAdvisory Committee on Antarctic Names added a hyphen between the first and second words in the specific part of the name to reduce ambiguity and emphasize the generic term "Rocks".[1]
A 127 ha site comprising the ice-free ground of Cape Pigeon Rocks, along with a small ice-free island to the east and the intervening sea ice, has been designated anImportant Bird Area (IBA) byBirdLife International because it supports a colony of about 10,000 breeding pairs ofAdélie penguins (estimated from 2011 satellite imagery).[2]
66°59′S143°47′E / 66.983°S 143.783°E /-66.983; 143.783
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