A pair of polar bears nuzzle each other. Thanks to mounting research on wild animals' food needs, today's zoo staffers are trying new feeding tricks to keep their animals healthy and happy.
3/17/2008
Polar bears
Labels: polar bearsA pair of polar bears nuzzle each other. Thanks to mounting research on wild animals' food needs, today's zoo staffers are trying new feeding tricks to keep their animals healthy and happy.
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