Frederique Olivier / Group of Adelie penguins (Pygoscelis adeliae) destroying an egg with a chick inside, Adelie Land, Antarctica, January.
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Brent Stephenson / Male Polar bear (Ursus maritimus) feeding on a first year Polar bear cub it has just killed, Scott Inlet, Baffin Island, Canadian Arctic, August. Vulnerable species.
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Brent Stephenson / Male Polar bear (Ursus maritimus) feeding on a first year Polar bear cub it has just killed, Scott Inlet, Baffin Island, Canadian Arctic, August. Vulnerable species.
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Cyril Ruoso / Komodo dragon (Varanus komodoensis) scavenging on another Komodo dragon, Rinca Island, Komodo National Park, Indonesia. Non-ex
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Tui De Roy / Nazca booby (Sula granti), adult killing chick. Genovesa Island, Galapagos.
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Tui De Roy / Nazca booby (Sula granti), adult with chick that it has killed. Genovesa Island, Galapagos.
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Tui De Roy / Nazca booby (Sula granti), adult with chick that it has killed. Genovesa Island, Galapagos.
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Tui De Roy / Nazca booby (Sula granti), adult killing chick. Genovesa Island, Galapagos.
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Tui De Roy / Nazca booby (Sula granti), adult attacking chick. Genovesa Island, Galapagos.
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Tui De Roy / Nazca booby (Sula granti), adult attacking chick. Genovesa Island, Galapagos.
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Tui De Roy / Nazca booby (Sula granti), adult attacking chick. Genovesa Island, Galapagos.
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Daniel J. Cox / Polar Bear (Ursus maritimus) male feeding on cub he caught and killed from cub's mother, Manitoba, Canada