Danny Green / RF - Polar Bear (Ursus maritimus) sleeping, Churchill, Canada, November (This image may be licensed either as rights managed or royalty free.)
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Frederique Olivier / Black-footed rock wallaby (Petrogale lateralis) resting in heat, Pilgonaman Gorge, Cape Range National Park, Western Australia.
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Frederique Olivier / Black-footed rock wallaby (Petrogale lateralis) group resting in heat, zooming out to reveal habitat. Pilgonaman Gorge, Cape Range National Park, Western Australia.
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Francois Savigny / Bengal tiger resting beside stream (Panthera t tigris}, Bandhavgarh, India.
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Eric Baccega / RF - Five subadult Giant pandas (Ailuropoda melanoleuca) climbing in tree. Wolong Nature Reserve, Wenchuan, Sichuan Province, China. (This image may be licensed either as rights managed or royalty fre...
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Eric Baccega / RF - Five subadult giant pandas (Ailuropoda melanoleuca) climbing in tree. Wolong Nature Reserve, Wenchuan, Sichuan Province, China. (This image may be licensed either as rights managed or royalty fre...
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Eric Baccega / RF - Two subadult Giant pandas (Ailuropoda melanoleuca) climbing in tree. Wolong Nature Reserve, Wenchuan, Sichuan Province, China. Captive. (This image may be licensed either as rights managed or ro...
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Eric Baccega / RF - Subadult Giant panda (Ailuropoda melanoleuca) climbing tree. Wolong Nature Reserve, Wenchuan, Sichuan Province, China. Captive. (This image may be licensed either as rights managed or royalty fre...
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Georgette Douwma / RF - Papuan cuttlefish (Sepia papuensis) courting pair. West Papua, Indonesia. (This image may be licensed either as rights managed or royalty free.)
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Wim van den Heever / Leopard (Panthera pardus) male yawning while lying down on a rock. Greater Kruger National Park, South Africa, July.
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Constantinos Petrinos / Lioness (Panthera leo) lying on a dead tree trunk, Masai Mara National Reserve, Rift Valley Province, Kenya, East Africa, August.
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Thomas Marent / Black Howler Monkey (Alouatta caraya) male, Pantanal, Brazil