The capybara (Hydrochoerus hydrochaeris) is the largest rodent in the world. They are native to South America and can be found in and around rivers, lakes, and swamps. Capybaras are herbivores and their diet consists mainly of grasses, aquatic plants, and fruits. They are social animals and live in groups of up to 30 individuals. Capybaras are excellent swimmers and can stay submerged for up to 5 minutes. They are also very vocal animals and communicate with each other using a variety of sounds, including whistles, grunts, and barks.
Capybaras are an important part of the South American ecosystem. They help to control the growth of aquatic plants and provide food for other animals, such as jaguars, anacondas, and caimans. Capybaras are also a popular tourist attraction and can be found in many zoos and wildlife parks around the world.