Mama & baby hippos | Hexaprotodon liberiensis – Zoo de Lisboa
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Hippopotamus with a little baby hippo in the savannah of Africa | Discover why Millions of Tourists visit South Africa
15 Laziest Animals -- HIPPO Sleeps For: 16-20 hours a day Snooze Stats: Hippos that stay together sleep together. They tend to take naps in groups of up to 30. Although they can sleep on land, hippos are also able to sleep underwater. During their underwater slumber, they must rise to the surface for air, but are still asleep during this activity we humans might refer to as "sleep snorkeling."