The pink fairy armadillo is a small species found only in Argentina. We bet you didn't even know these little guys existed. It's interesting to learn more about rare creatures like the pink fairy.

Pink fairy armadillos — the smallest species of armadillo — have a unique double skin, scientists have revealed. In a new study, published Dec. 19, 2023 in the .

Pink fairy armadillos, which are just 6 inches long, appear to have evolved a strange double skin millions of years ago as they moved underground in response to the climate becoming more arid.