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Pale-faced Sheathbill (Chionis alba), Antarctic Peninsular

Pale-faced Sheathbill (Chionis alba), Antarctic Peninsular

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Uploaded 12 Dec 2013 by Peter Prokosch
Year: 2013
From collection: Antarctic biodiversity
Taken by: Peter Prokosch
Sheathbills (with their two species) are the only bird family with a breeding range that falls entirely within the Antarctic and Sub-Antarctic. In this harsh environment, with an avifauna dominated by seabirds, they are the only common and widespread land-based birds. As predators and scavengers they are strongly dependent for food on colonial seabirds, particularly penguins. They are stealing unguarded eggs and small chicks. They are not globally threatened with population numbers of about ...
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