The Denver Zoo Conservation Alliance is saying goodbye to its Nile hippopotamus, Mahali, as he moves to a wildlife preserve ...

Denver Zoo’s only hippo will move to the Lone Star State this fall so the organization can conserve water and update the ...

The zoo said relocating Mahali will give him a better home and help the popular attraction reach its sustainability goals.

Staff at Edinburgh Zoo described Haggis as "becoming bolder, and spending more time outside." Native to the forests and swamps of West Africa, particularly Liberia, pygmy hippos are an endangered ...

In honor of National Zoo Keeper week, Lauren and her family got to visit the Dallas Zoo and step into the shoes of the zoologists that work in the hippo habitat.

The zoo sits on 800 hectares (almost 2,000 acres) of land and is home to more than 2,000 animals. It runs breeder programs for many endangered species including the pygmy hippopotamus.

The normal range for a hippo’s birth weight is 55 to 120 pounds (25 to 55 kilograms). Fiona now weighs a healthy 1,300 pounds (590 kilograms), according to the zoo.

In honor of National Zoo Keeper week, Lauren and her family got to visit the Dallas Zoo and step into the shoes of the ...