Recent observations of intraspecific predation and cannibalism among polar bears in the southern Beaufort Sea

Author： Amstrup Steven   Stirling Ian   Smith Tom   Perham Craig   Thiemann Gregory  

Publisher： Springer Publishing Company

ISSN： 0722-4060

Source： Polar Biology, Vol.29, Iss.11, 2006-10, pp. : 997-1002

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