Capybaras can dive and stay underwater for up to 5 minutes at a time—often falling asleep in the water whilst keeping their nose at the edge of the banks. Napping along rivers, mangroves and marshes helps them to stay cool. Who could blame them in the hot Amazonian sun?

Capybaras can dive and stay underwater for up to 5 minutes at a time—often falling asleep in the water whilst keeping their nose at the edge of the banks. Napping along rivers, mangroves and marshes helps them to stay cool.