What's so funny about Fritz's tiny voice is that hippos can be extremely loud. According to the San Diego Zoo, hippo grunts ...

Meet Moo Deng, an adorable two-month-old baby pygmy hippo who lives in Thailand’s Khao Kheow Open Zoo and has completely taken over the Internet. Some people have gone to extreme lengths to get her ...

In Colombia, a plan to cull Pablo Escobar's invasive hippos is challenged by an Indian billionaire's offer to relocate dozens ...

Karen Paolillo (with the skull of a hippo named Bob) watches over a hippo pod in remote Zimbabwe, where tensions flare. Paul Raffaele Because Africa's scarcest natural resource is water, ...