Predation
Humans and other polar bears are the only predators of Ursus maritimus. Male polar bears may prey on cubs if they come into contact. Females with cubs tend to avoid other bears for this reason. Historically, polar bears have been hunted by the native peoples of the arctic for fur and meat. Commercial and sport hunting of polar bears increased in the 1900s as the price of pelts reached as much as $3000. (DeMaster and Stirling, 1981; Nowak, 1999)
Anti-predator Adaptations: Cryptic
- Nowak, R. 1999. Walker's Mammals of the World. Baltimore and London: The Johns Hopkins University Press.
- DeMaster, D., I. Stirling. 1981. *Ursus maritimus*. Mammalian Species, 145: 1-7.
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Editor: Tanya Dewey, Animal Diversity Web, University of Michigan Museum of Zoology
Editor: Jim Demastes, University of Northern Iowa
Author: Aren Gunderson, University of Northern Iowa
Gunderson, A. 2009. "Ursus maritimus" (On-line), Animal Diversity Web. Accessed September 03, 2011 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Ursus_maritimus.html.
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