What do horror movies and marmots have in common? Screams Enlarge this image toggle caption Getty Images | mlorenzphotography Getty Images | mlorenzphotography Dan Blumstein was gently holding a yellow-bellied marmot pup, conducting research, when he first heard one scream. Blumstein, a behavioral ecologist and conservation scientist at the University of California, Los Angeles, leads one of the world's longest-running …
