The Capybara (Hydrochoerus hydrochaeris) is a mammal native to South America. It is the largest living rodent in the world. Its close relative is the guinea pig, and its distant relative is the agouti.
The Capybara has a stout, heavy body with short reddish-brown fur on it upperparts and yellowish-brown fur on its underparts. Its head is short, its ears are small, its nostrils are large, and its eyes are almond-shaped.
It has whiskers on its muzzle (nose). It has short legs, with slightly webbed feet. It has four toes on its front feet and three toes on its back feet. It has a short tail. It has large front teeth, which grow continuously.