Have you ever seen an armadillo? They are mammals that have leathery armour shells?
Oh yeah those invasive things are all over the place where I live!
Sounds about right. All armadillo species inhabit all types of environments all over the Americas.
Where did they originally come from?  I know they're invasive, I just don't know from where?
Armadillos are native to the Americas. That is why there are 21 different species. Some have a different amount of bands on their shell. That is how you can tell them apart.
Wow that many different species. So when I see one squished on the side of the road, I should count bands to see which species it is?
-rabbit": "āyōtl" (turtle) and "tōchtli" (rabbit). The Portuguese word for "armadillo" is "tatu" which derives from the Tupi language. Similar names are also found in other, especially European, languages.
Classification.
Family Dasypodidae
- Subfamily Dasypodinae
- Genus "Dasypus"
- Nine-banded armadillo or long-nosed armadillo, "Dasypus novemcinctus"
- Seven-banded armadillo, "Dasypus septemcinctus"
- Southern long-nosed armadillo,
Armadillo
Armadillos (from Spanish "little armoured one") are New World placental mammals in the order Cingulata. The Chlamyphoridae and Dasypodidae are the only surviving families in the order, which is part of the superorder Xenarthra, along with the anteaters and sloths. Nine extinct genera and 21 extant species of armadillo have been described, some of which are distinguished by the number of bands on their armour. All species are native to the Americas, where they inhabit a variety of different environments. 
Armadillos are characterized by a