Juergen Freund / Spectacled flying fox (Pteropus conspicillatus) babies hanging in their nursery at Tolga Bat Hospital, North Queensland, Australia, November 2012
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David Fleetham / Sea otter (Enhydra lutris) putting his hands behind his head, Monterey, California, USA.
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Laurie Hedges / Chimpanzee (Pan troglodytes) male's head as it looks around and scratches behind shoulder before leaving frame, Nyungwe National Park, Rwanda, July. Endangered.