University of Michigan Museum of Zoology | "Ritual Rites and Customs of the Natives of Chukotka connected with the Polar Bear" |
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Ann Arbor: University of Michigan Press | New York: MacMillan Publishing Co |
Ann Arbor: University of Michigan Press | While the algae is harmless to the bears, it is often a worry to the zoos housing them, and affected animals are sometimes washed in a salt solution, or mild to make the fur white again |
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"The Original Polar Bear Watchers" | Retrieved on 9 May 2006 |
2007 , PDF , Reston, Virginia: U.