1,419 results
1,419 results for: Whales
- Ecosystems
Sea Change: People have affected what penguins eat
Adélie penguins in Antarctica significantly changed their eating habits about 200 years ago, after whaling and other human activities transformed the ocean ecosystem.
- Animals
Den Mothers: Bears shift dens as ice deteriorates
As Arctic ice has dwindled, pregnant polar bears in northern Alaska have become more likely to dig their birthing dens on land or nearshore ice than on floating masses of sea ice.
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