Cyril Ruoso / Close up of Sumatran rhinoceros (Dicerorhinus sumatrensis) female close up, part of a breeding program, Way Kambas National Park, Sumatra, Indonesia.
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Theo Webb / Bonobo (Pan paniscus) baby, Max Planck research site LuiKotale in Salonga National Park, Democratic Republic of Congo.
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Floris van Breugel / A view of Pony Tail falls with Devil's Club (Oplopanax horridus) leaves in the foreground in the Columbia River Gorge, Oregon, USA. July 2011.
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Chris Mattison / Barred leaf frog (Phyllomedusa tomopterna) captive from South America.
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Jabruson / Young Chimpanzee in fruiting fig tree (Pan troglodytes schweinfurthii) Tongo, Virunga National Park, Kivu, Democratic Republic of Congo
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Bence Mate / Leaf cutter ants (Atta cephalotes) carrying sections of leaves, to be used for cultivating nutritious fungi, Santa Rita, Costa Rica
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Bence Mate / Leaf cutter ants (Atta cephalotes) carrying sections of leaves, to be used for cultivating nutritious fungi, Santa Rita, Costa Rica
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Axel Gomille / Tiger (Panthera tigris tigris) cub, Bandhavgarh National Park, India