Patti, the oldest hippopotamus in U.S. zoos accredited by the Association of Zoos and Aquariums, died Nov. 10, at the ...

The Milwaukee Zoo mourns the loss of Patti, the oldest hippo in U.S. zoos, who was known for her spirited personality.

There are only an estimated 2,500 pygmy hippopotamuses in the wild in West Africa, where it is threatened by poaching and ...

BANGKOK, Oct 25 — Thai zoos are seeing a surge in newborn pygmy hippopotamuses all of a sudden, but you won’t hear anyone complaining, especially with how endangered the species is in the wild. Somdet ...

Hippo Hippopotamuses may look to be slow on land but in reality, they are capable of running at speeds of up to 19 miles per hour. In water, hippos move more skillfully and their gracefulness ...