One of the main characteristics of the yellow armadillo is that his body is composed of a sheet of hard horny rings that protect him from predators, allowing him to form a ball with his body. From this armor a sensory coat emerges that helps you perceive the existing temperature and humidity conditions. The absence of skin means they cannot withstand very low temperatures. They have on their legs a kind of claw-like nails that allow them to dig the earth to create their burrows, whose entrance is peculiar, in the form of an inverted U.

The yellow armadillo is a nocturnal animal, with a pointed and flat head. The glands at the base of its tail emit a characteristic smell with which they mark the territory. Although they are generally shy animals and choose to escape from predators, they will defend themselves with their claws if they are in danger. They are good swimmers, able to float thanks to the fact that they store air and have a good layer of fat (the same that helps them withstand food shortages in certain seasons).

The yellow Armadillo feeds mainly on insects and larvae, although sometimes it is extended to plant matter.