Bryan and Cherry Alexander / Chinstrap penguins (Pygoscelis antarctica) on a blue iceberg, with Antarctic Prion (Pachyptila desolata) flying over. Antarctica
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David Tipling / Antarctic prion (Pachyptila desolata) in flight over Southern Ocean off South Georgia, January
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Brent Stephenson / Antarctic prion (Pachyptila desolata) taking off from sea, South Atlantic, January.
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Brent Stephenson / Antarctic prion (Pachyptila desolata) flying just over sea surface, South Atlantic, December.
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Brent Stephenson / Antarctic prion (Pachyptila desolata) in flight low over the sea, showing upperwing pattern. Between the Falkland Islands and South Georgia, South Atlantic. January.
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Brent Stephenson / Antarctic prion (Pachyptila desolata) taking off from the sea, showing underwing pattern. Off South Georgia, South Atlantic. January.