Social Adaptability

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Dogs and polar bears are friends – from the TV show "Jailed Polar Bear." In Churchill, Manitoba ("the polar bear capital of the world"), bears who wander too close to town are kept in a safe holding area until Hudson Bay freezes over and they can be released back into the wild.

(Thanks to Jessica for the link)

The Old Gray Guy

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Wolves on Island Royale, Lake Superior. Fifty-six percent of wolves' genes on the island can be traced to one wolf (known as the "Old Gray Guy," above center) who in 1997 walked across 15 miles of ice to get to the island. Read about it at nytimes.com.