Thanks to social media, people around the world have fallen in love with Fiona and Fritz at the Cincinnati Zoo and the adorable memes of baby Moo Deng. It’s easy to see why — baby hippos are ...

In 1977 the 24-year-old greeting card artist Sandra Boynton published her first book, Hippos Go Berserk! A “wild counting story” about a hippo whose home is visited by first two hippos, then three, ...