Espen Bergersen / Walrus (Odobenus rosmarus) sitting in water and scratching itself as another walrus sits nearby before leaving frame, Sarstangen, Svalbard, Norway, Arctic Ocean, August.
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Joel Sartore / Photo Ark / Oasis skimmer (Orthetrum sabina) portrait, Arabia's Wildlife Centre. Captive.
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Joel Sartore / Photo Ark / Holguin anole (Anolis noblei) head portrait, Wroclaw Zoo. Captive, occurs in Cuba.
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Joel Sartore / Photo Ark / Holguin anole (Anolis noblei) head portrait, Wroclaw Zoo. Captive, occurs in Cuba.
