Lifting in a sudden turn, the large hippo opens its jaws in a show of territorial defiance.

Two young hippos, on the cusp of adulthood, engage briefly in a lighthearted but powerful display of dominance.

Golden ripples reflect a hippo mother and her calf in an untouched African setting.

The hippo sways her head heavily, warning us to stay away.

Wary of our presence, a massive bull rises out of the water, mouth agape, warning us not to come any closer.