Anup Shah / Dusky leaf monkey (Trachypithecus obscurus) juvenile yawning . Khao Sam Roi Yot National Park, Thailand. March 2015.
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Anup Shah / Long-tailed macaque (Macaca fascicularis) juvenile sticking tongue out. Khao Sam Roi Yot National Park, Thailand.
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Juergen Freund / Banded archerfish (Toxotes jaculatrix) spitting, Oolioo Sandbar, Territory Wildlife Park, Berry Springs, Northern Territory, Australia.
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Cyril Ruoso / Adult male Drill (Mandrillus leucophaeus) yawning, mouth wide open showing canine teeth, Pandrillus Sanctuary, Nigeria. Non-ex
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Ole Jorgen Liodden / Hippopotamus (Hippopotamus amphibius) rearing head out of water, creating spray, Lake Naivasha, Kenya.
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Steven Kazlowski,Steven Kazlowski / Polar bear (Ursus maritimus) juvenile spreading body weight over thin newly forming pack ice, trying not to break through, Beaufort Sea, off the 1002 area of the Arctic National Wildlife Refuge, North...
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Dave Watts / Tasmanian devil portrait {Sarcophilus harrisii} taken in the wild, Tasmania. Endangered species.
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Eric Baccega / RF- Head portrait of Giant panda (Ailuropoda Melanoleuca) feeding on bamboo. Bifengxia Giant Panda Breeding and Conservation Center, Yaan, Sichuan, China. (This image may be licensed either as rights...
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Fiona Rogers / Eastern chimpanzee (Pan troglodytes schweinfurtheii) juvenile female 'Familia' aged 7 years playing with her brother 'Fundi' aged 11 years. Gombe National Park, Tanzania.
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Chris Mattison / Argus monitor (Varanus panoptes) flicking tongue, taken on white background, occurs in Australia and New Guinea
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Erlend Haarberg / Arctic fox (Alopex lagopus) female yawning. West Fjords, Iceland, March.
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Denis-Huot / RF- Lioness (Panthera leo) yawning, Masai-Mara Game Reserve, Kenya. Vulnerable species. (This image may be licensed either as rights managed or royalty free.)
