The anteater is an animal that, as its name suggests, eats mainly ants and termites. They have a long, sticky tongue that they flick into ant nests. There are four different types of anteater, the anteater in the picture is the giant anteater. They are related to sloths. Giant anteaters can grow up to 2.4 metres long, including their tail. Baby anteaters ride on their mother's back.