Shy sea lions may have a better shot at survival than their rambunctious siblings
Shier pups exhibited more variation in their behavior, a sign of an ability to adapt
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How yellow-eyed penguins and sea lions took over New Zealand
A centuries-long cold snap changed the history of humans and wildlife
Boobies of the Galápagos are replacing their disappearing food source with junk fish
Decades of research show how the sardine's decline threatens an entire ecosystem