A cougar's epic journey east

A male cougar in search of a mate traveled more than 1,500 miles from the Black Hills of South Dakota to Connecticut, leaving a trail of clues that enabled scientists to verify his odyssey.

Killer whales feast on salmon in summer

Salmon are the primary summer food source for an endangered population of killer whales in the Pacific Northwest, according to an analysis of fish DNA in killer whale poop published Jan. 6, 2016 in the open-access journal ...

A new piece in the 'French paradox' puzzle—cheese metabolism

Figuring out why the French have low cardiovascular disease rates despite a diet high in saturated fats has spurred research and many theories to account for this phenomenon known as the "French paradox." Most explanations ...

Beagle's nose predicts few US polar bear cubs

A specially trained beagle's smell test for polar bear pregnancies predicts there will be few new cubs for U.S. zoos this year—although a romantic trip to Pittsburgh apparently turned out well for a female bear in San Diego.

Protect corridors to save tigers, leopards, say researchers

Research by Clemson University conservation geneticists makes the case that landscape-level tiger and leopard conservation that includes protecting the corridors the big cats use for travel between habitat patches is the ...

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