Erlend Haarberg / Two Mountain hares (Lepus timidus) fighting, Sor-Trondelag, Norway, April
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Chadden Hunter / Emperor penguins (Aptenodytes forsteri) explode out of the water, returning to breed at Cape Washington, Antarctica. Taken on location for BBC Frozen Planet series, 2009
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Tim Laman / Porpoising Adelie penguin (Pygoscelis adeliae) reflected in water, Antarctica, January
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Wild Wonders of Europe / E. Haarberg / Two Alpine ibex (Capra ibex) fighting, Gran Paradiso National Park, Italy, November 2008
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Tom Vezo / Northern shoveler duck pair landing {Anas clypeata} Tucson, Arizona, USA
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Bryan and Cherry Alexander / Two Nenets men competing in a wrestling competition at a reindeer herders festival in the Yamal. Western Siberia, Russia, February 2009.
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Wild Wonders of Europe / E Haarberg / Alpine ibex (Capra ibex ibex) fighting, Gran Paradiso National Park, Italy, November 2008
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Juergen Freund / Water Spout and storm over the ocean, Tubbataha Reef, Palawan, Philippines.
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Juergen Freund / Water Spout and storm over the ocean, Tubbataha Reef, Palawan, Philippines.
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John Cancalosi / Greater Roadrunner {Geococcyx californianus} attacking Western diamondback rattlesnake {Crotalus atrox} Arizona, USA
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David Tipling / Black Cock / Grouse {Tetrao tetrix} fighting on lek in snow, Finland.
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Bernard Castelein / Impalas {Aepyceros melampus} males sparring, Samburu NP, Kenya
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Richard Du Toit / Hippo bull charging {Hippopotamus amphibius} Moremi Reserve, Botswana
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Peter Blackwell / Lion (Panthera leo) chases vultures from kill, Masai Mara GR, Kenya, East Africa
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Bernard Castelein / Blackbuck {Antilope cervicapra} two males fighting, Thar desert, Rajasthan, India
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John Cancalosi / Young Spanish ibex sparring {Capra pyrenaica} Spain
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Richard Du Toit / African bull elephant charging towards camera {Loxodonta africana} Moremi WR
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Richard Du Toit / Gemsbok males fighting {Oryx gazella gazella} Kgaligadi Transfrontier Park South Africa
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Richard Du Toit / Marabou stork Steppe eagle {Leptoptilos crumeniferus} fight over termites. Moremi WR
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Peter Blackwell / Topi males sparring, Masai Mara, Kenya
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Richard Du Toit / Fighting bull hippos {Hippopotamus amphibius} in mud. Moremi Wildlife Reserve, Botswana
