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How many hippopotamuses can share one pool during the dry season?

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A hippopotamus stands at the edge of a watering hole, with several other hippos partially submerged in the water, surrounded by green vegetation in Botswana, Africa. — hippopotamus The word hippopotamus is Greek for “river horse,” which reflects their behavior: they are often seen basking on the banks or sleeping in the waters of rivers, lakes, and swamps across Africa. They favor shallow areas where they can sleep half-submerged, though these places can become quite crowded—as many as 150 hippos may use one pool in the dry season.

During the dry season, the population of a hippopotamus group is limited by its available day living space. In these conditions, a single pool may be shared by as many as 150 hippos.1