Brent Stephenson / Gentoo Penguin (Pygoscelis papua) with two large chicks. The chicks are begging to be fed by the adult. Petermann Island, Antarctic Peninsula, Antarctica, January.
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Charlie Summers / Adelie penguin (Pygoscelis adeliae) hopping from ice block to ice block, Petermann Island, Antarctica
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Andy Rouse / Adelie penguins (Pygoscelis adeliae) adult with chicks, Petermann Island, Antarctica (non-ex)
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Andy Rouse / Adelie penguin (Pygoscelis adeliae) adult looking curious, Petermann Island, Antarctica
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Tui De Roy / Adelie Penguin (Pygoscelis adeliae) nesting colony on granite outcrop, Petermann Island, Antarctica
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Peter Bassett / Green snow algae. Petermann Island, Antarctic Penninsula, Antarctica
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David Tipling / Gentoo Penguin, (Pygoscelis papua) feeding chick silhouetted at sunset, Petermann Island, Antarctica
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Brent Stephenson / Weddell Seal (Leptonychotes weddellii) hauling out onto rocks. Petermann Island, Antarctic Peninsula, Antarctica, January.
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Brent Stephenson / Gentoo Penguin (Pygoscelis papua) feeding a chick at its nest. Petermann Island, Antarctic Peninsula, Antarctica, January.
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Brent Stephenson / Gentoo Penguin (Pygoscelis papua) feeding a chick at its nest. Petermann Island, Antarctic Peninsula, Antarctica, January.
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Brent Stephenson / Gentoo Penguin (Pygoscelis papua) with two large chicks. The chicks are begging to be fed by the adult. Petermann Island, Antarctic Peninsula, Antarctica, January.
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Brent Stephenson / Antarctic Shag (Leucocarbo / Phalacrocorax [atriceps] bransfieldensis) (also known as blue-eyed shag) swiming in clear water. Petermann Island, Antarctic Peninsula, Antarctica, January.
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Charlie Summers / Adelie Penguin (Pygoscelis adeliae) tidies up around its nest and in doing so exposes its brood patch and one of its two eggs. Petermann Island, Antarctica, November
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Charlie Summers / Adelie Penguin (Pygoscelis adeliae) bringing rock to its nest, Petermann Island, Antarctica
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Charlie Summers / Adelie Penguin (Pygoscelis adeliae) with Krill stains on its white front, searching for small rocks to add to its nest. Petermann Island, Antarctica.
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Charlie Summers / Gentoo Penguin (Pygoscelis papua) re-arranging rocks at its nest, Petermann Island, Antarctica, November
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Suzi Eszterhas / Weddell Seal (Leptonychotes weddellii) sleeping on ice, Petermann Island, Antarctic Peninsula
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Colin Monteath / Kayakers paddling beneath Mount Scott at entrance to Lemaire Channel near Petermann Island, Antarctic Peninsula, Antarctica
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Colin Monteath / Kayakers paddling beneath Mount Scott at entrance to Lemaire Channel near Petermann Island, Antarctic Peninsula, Antarctica
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Charlie Summers / Adelie penguin (Pygoscelis adeliae) tracks in the snow, Petermann Island, Antarctica
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Charlie Summers / Adelie penguin (Pygoscelis adeliae) adult stretching, at coastal nest site, with down-covered chick, Petermann Island, Antarctica
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Suzi Eszterhas / Weddell Seal (Leptonychotes weddellii) calling on iceberg, Petermann Island, Antarctic Peninsula, Antarctica
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Konrad Wothe / Gentoo Penguin (Pygoscelis papua) tobogganing, Petermann Island, Antarctica