The tank-like Nine-banded Armadillo's range has greatly expanded northward in the last 100 years. In the mid-1800s it was found only as far north as southern Texas; by the 1970s it lived in Oklahoma, Kansas, Missouri, and Tennessee; now it's also on the East Coast. Learn more about the Dasypus novemcinctus, more commonly known as a Nine-banded Armadillo, in this easy-to-read species overview by the Smithsonian's National Museum of Natural History.