When the elephant keepers at the Smithsonian’s National Zoo hear the sound of a harmonica, it’s not the radio they’ve left on. Instead, it’s the Zoo’s 36-year-old … source Read more »
Mike Maslanka, head nutritionist at the Smithsonian’s National Zoo, talks about what it takes to feed 2000 animals from 400 different species 365 days a year. Each one receives a diet specially... Read more »