Sergey Gorshkov / Musk ox (Ovibos moschatus) herd, Wrangel Island, Far Eastern Russia, March.
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Edwin Giesbers / Sumatran tiger (Panthera tigris sumatrae), captive, native to Sumatra, Indonesia.
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Edwin Giesbers / Close-up of an eye of a Sumatran tiger (Panthera tigris sumatrae), captive, native to Sumatra, Indonesia.
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Edwin Giesbers / Sumatran tiger (Panthera tigris sumatrae), captive, occurs in Sumatra, Indonesia
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Edwin Giesbers / Sumatran tiger (Panthera tigris sumatrae), captive, native to Sumatra, Indonesia
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Edwin Giesbers / Close-up portrait of a European grey wolf (Canis lupus), captive, Norway, February.
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Edwin Giesbers / Face portrait of a European lynx (Lynx lynx), captive, Norway, February.
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Claudio Contreras / Keel billed toucan (Ramphastos sulfuratus) calling, captive.
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Claudio Contreras / Osprey (Pandion haliaetus) with fish catch, Cabo Pulmo National Park, Sea of Cortez (Gulf of California), Mexico, July
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Nick Garbutt / Adult male Hippopotamuses (Hippopotamus amphibius) posturing in aggressive 'yawn' behaviour, Luangwa River, South Luangwa National Park, Zambia, November. Digital composite (two frames stitched togeth...
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Cyril Ruoso / Long-tailed Macaque (Macaca fascicularis) young playing with spectacle frames, Khao Sam Roi Yot National Park, Thailand
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Martin Gabriel / Lance-headed viper (Bothrops asper), juvenile, Costa Rica, captive.