cerperal
Well-Known Member
They are by nature fairly terrestrial animals, and spend most of their time on land even when provided with a pool. Marwell's approach of "field, with house" is all they really need - a heated indoor pool and plenty of room to trot about. I think the main success for Marwell has been the generally long-lives of the examples held if I'm remembering right. There's far more ornate exhibits (Berlin springs to mind) that are aesthetically nicer but were clearly built on the logic of pygmy hippos just being incredibly cold common hippos.