Biologists: Killing hungry sea lions saving endangered fish

A plan to kill California sea lions to save an endangered run of fish on a river that cuts through Portland, Oregon, appears to be working just months after wildlife officials began euthanizing the giant marine mammals, Oregon ...

Study sheds light on social drivers of animal dispersal

Why would male and female animals choose different reproductive strategies? For golden lion tamarins in the Brazilian rain forest, the answer may offer clues to help save this neotropical primate.

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