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Photo of Polar Bear on Cooper Island, Alaska
Polar Bear on Cooper Island, Alaska. Photo used by permission of Gary Braasch.

[1] Summary of polar bear population status per 2014 (2015). IUCN/SSC PBSG. Accessed online 06 April 2022

[2a] Regehr, E.V., Lunn, N.J., Amstrup, S.C. & Stirling, I. (2007). “Effects of earlier sea ice breakup on survival and population size of polar bears in western Hudson Bay.” Journal of Wildlife Management 71(8): 2673–2683. Link to pdf.


[3] Bromaghin, J.F, McDonald, T. L., Stirling, I., Derocher, A.E., Richardson, E.S., Regehr, E.V., Douglas, D.C., Durner, G.M., Atwood, T. & Amstrup, S.C. In press. “Polar bear population dynamics in the southern Beaufort Sea during a period of sea ice decline.” Ecological Applications.

[4] (Polar bear eating birds and birds having difficulty feeding because of pack ice retreat on Cooper Island near Barrow, Alaska.)


[6] Polar Bears International. (2015). “Polar Bears and Sea Ice Regions.”



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