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Polar Bear Denning

Polar Bear Denning in a Changing World

Dr. Tom Smith | Posted 01.17.2013 | Green
Dr. Tom Smith

We see the effects of a warming world manifest in many aspects of polar bears' life cycle from reduced numbers to shrinking body sizes, from smaller litters of cubs to altered movement patterns. Like a vet studying a sick animal, we see many problems in the world of polar bears today.