The capybara is the largest rodent in the world. It weighs about 100 pounds and stands two feet tall at the shoulder. This semi-aquatic animal of South America is an excellent swimmer and diver. It can stay underwater for several minutes without taking a breath and can sleep underwater with its nose poking out above the waterline. When it hears danger, it dives beneath the water and hides.

Class: Mammalia
Order: Rodentia
Family: Hydrochaeridae