Ben Hall / Marine Iguana (Amblyrhynchus cristatus) on rock with lava lizard sitting on its head, Galapagos Islands, May.
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Richard Du Toit / Greater kudu (Tregalaphus strepsiceros) covered in Yellowbilled oxpeckers (Buphagus africanus) rear view, Kruger National Park, South Africa.
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Staffan Widstrand / Wild Wonders of China / Crested myna starlings (Arcidotheres cristatellus) sitting on domestic waterbuffaloes (Bubalus domesticus), Poyang Ho Lake, Jiangxi province, China
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Cyril Ruoso / Giant panda (Ailuropoda melanoleuca) mother and young playing, captive, Sichuan, China. Non-ex
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Ole Jorgen Liodden / Arctic tern (Sterna paridisea) mobbing, Arctic fox (Alopex lagopus) in Spitsbergen, Svalbard, Norway, July.
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Theo Webb / Bengal Tiger (Panthera tigris) six month old cub jumping on its mother, Bandhavgarh National Park, India.
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Markus Varesvuo / Black grouse (Lyrurus tetrix) mating in snow, Utajarvi, Finland, May.
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Ann & Steve Toon / Cape buffalo (Syncerus caffer) crossing the Chobe River, followed by swarm of flies, Chobe Game Reserve, Botswana, Africa.
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Gabriel Rojo / Cattle tyrant (Machetornis rixosus) perched on capibara (Hydrochoerus hydrochaeris) Ibera Marshes, Corrientes Province, Argentina
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Gabriel Rojo / White-banded tree-frog (Hypsiboas pulchellus) with Ladybird (Coccinellidae) Calden forest, La Pampa, Argentina
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Fiona Rogers / Tana mangabey (Cercocebus galeritus) female grooming a juvenile. Tana River Forest, South eastern Kenya.
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Mary McDonald / African lion (Panthera leo), resting on a rock, surrounded by flies, Masai Mara Game Reserve, Kenya. November.