Todd Mintz / Iceberg dive, diver next to ice floe, Pond Inlet, Baffin Island, Nunavut, Canada, June
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Chadden Hunter / Emperor penguins (Aptenodytes forsteri) males dive through openings in the sea ice to take their first swim in over 4 months as they have spent the bleak winter incubating their eggs. Cape Washington,...
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Frederique Olivier / Young Emperor penguins (Aptenodytes forsteri) jumping off ice floes, Antarctica, February 2011.
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Troels Jacobsen/Arcticphoto / Adelie Penguins (Pygoscelis adeliae) diving into the water, on their way out to sea to feed. Brown Bluff. Antarctic Peninsula.
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Edwin Giesbers / Four Mallard (Anas platyrhynchos) dabbling for food in icy water. The Netherlands, January.
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Charlie Summers / Gentoo Penguin (Pygoscelis papua) diving off iceberg and into waters of Pleneau Bay, Antarctica, November
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Suzi Eszterhas / Adelie Penguin (Pygoscelis adeliae) group diving off iceberg, Paulet Island, Antarctica
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Neil Lucas / Camerman Doug Allan at frozen water surface of drilled ice hole, BBC film crew, McMurdo Sound, Ross Sea, Antarctica, November 2008
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Kim Taylor / Water beetles (Dytiscus marginalis) and (Acilius sulcatus) clustered around an air bubble trapped beneath the ice of a frozen pond, digitally enhanced, Surrey, England
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Suzi Eszterhas / Adelie Penguin (Pygoscelis adeliae) group diving off iceberg, Paulet Island, Antarctica
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Suzi Eszterhas / Adelie Penguin (Pygoscelis adeliae) group jumping off iceberg into icy water, Paulet Island, Antarctica
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Suzi Eszterhas / Adelie Penguin (Pygoscelis adeliae) trio diving off iceberg, Paulet Island, Antarctica
