Descrição
At the top of the food chain, polar bears have an important role in the marine environment. Learn how WWF is fighting the biggest threat to polar bears’ survival: loss of sea ice.
Used Book in Good Condition
Polar Bears: The Natural History of a Threatened Species
The endangered animal species: Part-1, polar bear
Polar Bear: An endangered species by Ahmed, Ejaz
Polar Bear Fact Sheet, Blog, Nature
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Five Revolutionary Technologies Helping Scientists Study Polar Bears, Science
Shaky Oasis for Some Polar Bears Found, But Not for Species – NBC Los Angeles
Grizzly–polar bear hybrid - Wikipedia
Shaky oasis for some polar bears found, but not for species
Conservation Concerns Polar Bears International
Polar Bears: One Species at a Time
Polar bears were listed as a threatened species in May 2008. But they are more at risk than ever, with bold action needed on climate change
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