ONE big hippo balancing, Step by step on a slippery rock, He thought it was such tremendous fun He called for another hippo to come. TWO big hippos balancing, Step by step on a slippery rock ...

Adorable three-month-old pygmy hippo, Petunia, and her mum, Iris, are making a big splash at Metro Richmond Zoo in Virginia. Conservationists say fewer than 2,500 mature pygmy hippos are left in ...