Mange outbreak decimated a wild vicuña population in Argentina

Mange has decimated the population of wild vicuñas and guanacos in an Argentinian national park that was created to conserve them, according to a study from the Administration of National Parks in Argentina and the University ...

Behind the scenes with a Los Angeles mountain lion expert

When LA's Griffith Park mountain lion crawls under someone's house, or a brother-and-sister pair become the first mountain lions with tracking collars to cross a freeway since 2009, Seth Riley is at the top of the list of ...

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