armadillo
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The horny bands and plates of the armadillo serve as armour. Many species can draw in their feet beneath the shell when attacked. The three-banded armadillo can roll itself into a ball.
Mammal of the family Dasypodidae, with an armour of bony plates along its back or, in some species, almost covering the entire body. Around 20 species live between Texas and Patagonia and range in size from the fairy armadillo, or pichiciego, Chlamyphorus truncatus, at 13 cm/5 in, to the giant armadillo Priodontes giganteus, 1.5 m/4.5 ft long. Armadillos feed on insects, snakes, fruit, and carrion. Some can roll into an armoured ball if attacked; others defend themselves with their claws or rely on rapid burrowing for protection.
They belong to the order Edentata (‘without teeth’) which also includes sloths and anteaters. However, only the latter are toothless. Some species of armadillos can have up to 90 peglike teeth.
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