A male hippopotamus at the Alipore Zoological Gardens, known as Hippo One, has remained immobile in its enclosure pool for two weeks, raising concerns among zoo authorities. Possible causes include a ...

The San Francisco Zoo is welcoming a stern-faced 26-year-old male silverback gorilla named Cecil who will be introduced to the public this weekend. Meanwhile, a hippo calf was born early, coming as a ...

National Hippo Day (Feb. 15) got its start on Second Life, an online virtual world where the hippo is a hero or sorts as well as the unofficial mascot. However, even if you've never been a Second Life ...