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POLAR BEAR ENDANGERED
These Polar Bears Had A Tough Decade
Polar Bear Denning in a Changing World
Dr. Tom Smith
Professor, Research Wildlife Biologist, Brigham Young University
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.
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