Tony Heald / Bengal tiger (Panthera tigris tigris) walking, Bandhavgarh National Park, India.
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Florian Möllers / African Lions (Panthera leo) in a bare cage in Beijing Zoo, China, November.
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Richard Du Toit / Lion (Panthera leo) Northern Cape Province, South Africa.
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Ann & Steve Toon / RF - Male lions (Panthera leo) on patrol in the Kalahari, Kgalagadi Transfrontier Park, Northern Cape, South Africa, February 2016. (This image may be licensed either as rights managed or royalty free...
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Eric Baccega / RF - Giant panda (Ailuropoda melanoleuca) in Bifengxia Giant Panda Breeding and Conservation Center, Yaan, Sichuan, China. (This image may be licensed either as rights managed or royalty free.)
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Ole Jorgen Liodden / Bengal tiger (Panthera tigris tigris) pacing through the habitat, Bandhavgarh, India
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Jane Burton / Anxious Springer Spaniel bitch, pacing compulsively
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Warren Pereira / Bengal tiger (Panthera tigris tigris) cub pacing alongside the water's edge before stopping and looking towards the camera, Ranthambhore, India, March.
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Joel Sartore / Photo Ark / Amur leopard (Panthera pardus orientalis) snarling, portrait, Henry Doorly Zoo and Aquarium. Critically endangered. Captive.
