Armadillo
Armadillos are long-nosed, short-legged mammals known for their armored shells.
Class: Mammalia
Superorder: Xenarthra
Order: Cingulata
Family: Dasypodinae and Chlamyphoridae
Species: 21 living species
Common Names: Armadillo
Armadillos usually eat insects and other small invertebrates, especially ants and termites. They use their claws to dig for food, and to dig burrows to live in.
Despite their short legs, they can move quite fast over ground, and in some cases even underwater.
Most armadillo species are widespread throughout South America, with two species found in Central America, one of which (the nine-banded armadillo) has a range extending well into the southern United States.
Armadillo pregnancy varies by species, but can last between two and four months. Litter size can range from one to eight babies, though the genus Dasypus typically produce quadruplets. Newborns have leathery skin that hardens into an armored shell a few weeks after birth.
Armadillos are mammals known for their armored, flexible shells. This armor is made of bone that is covered in keratin, the substance that fingernails and rhino horns are also made of. The armor usually covers their back, shoulders, hips, top of the head and upper limbs, and tail. They use this armor to protect themselves from predators. One genus, Tolypeutes (the three-banded armadillos), is able to roll into a ball to fully shield its body.
Armadillos also have short legs, and possess large claws used for digging.
They can range in size from just under six inches (the pink fairy armadillo) to nearly five feet long (the giant armadillo). Prehistoric armadillos, called glyptodonts, could be much larger, sometimes growing as big as a car!
Armadillos are part of the superorder Xenarthra, which also includes anteaters and sloths.
Prehistoric armadillos, called glypdodonts, were once thought to be part of a separate family, but are now grouped together with most armadillos in the family Chlamyphoridae. These ancient armadillos lived from 38 million years ago to around 12,000 years ago. Their large shells were sometimes used as houses for early humans. Some glyptodonts, like Doedicurus, had large clubs on the end of their tails that may have featured large spikes for defense against predators.
The name “armadillo” comes from Spanish, and means “little armored one”. In the Andes region of South America, armadillo shells are used to make a lute-like instrument called a charango.
Many armadillo species are Least Concern or Near Threatened, while others do not have enough data yet to accurately know if they are in danger. The largest species of armadillo, the giant armadillo, is Vulnerable. It is protected throughout much of its range, but it is still often illegally hunted for its meat.
References
https://en.wikipedia.org/wiki/Armadillo
https://en.wikipedia.org/wiki/Giant_armadillo
https://en.wikipedia.org/wiki/Nine-banded_armadillo
Macdonald, David W. (editor). (2006). The Princeton Encyclopedia of Mammals. Princeton, New Jersey: Princeton University Press.
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