Lifespan/Longevity
In the wild polar bears are estimated to live 25 to 30 years. Annual adult mortality is estimated to be 8-16%. In captivity a female was still alive at 45 years in old at the Detroit Zoo in 1999.
Range lifespan
Status: wild: 25 to 30 years.
Average lifespan
Status: wild: 30.0 years.
Average lifespan
Status: captivity: 38.2 years.
Average lifespan
Status: wild: 25.0 years.
Source information
©1995-2012, The Regents of the University of Michigan and its licensors
© The Regents of the University of Michigan and its licensors
View source
Supplier:
Animal Diversity Web
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 April 04, 2012 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Ursus_maritimus.html
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