🌊What happens to hippo and crocs when the rivers flood ? 🦛🐊 Hippos and crocodiles are actually built for flooding rivers. • Hippos don’t really swim, they walk along the riverbed. In floods they move into calmer backwaters, side channels, or flooded plains and wait it out. Strong currents aren’t ideal, but they’re heavy and grounded rather than easily washed away. • Crocodiles are even better adapted. They’re powerful swimmers and will often move into slack water or simply let the current car