Bears Companies Science Wildlife 
10,000 Birds
JUNE 17, 2011
Besides the American bison that the refuge was founded to protect, there are pronghorns, elk, bighorn sheep, mule and white-tailed deer, and black bears. This was not a very successful prank, especially since we had just encountered a large cinnamon-colored black bear which was much more interesting, even to a birder.
Animal Ethics
JANUARY 9, 2008
To the Editor: Re “ Bearing Up ” (Op-Ed, Jan. Sarah Palin of Alaska, the scientific literature is very clear that polar bear survival is highly threatened in the wild. Because polar bears are at the top of the marine food chain, their bodies accumulate persistent organic pollutants that disrupt their reproductive systems.
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