Quick answer
Key facts about nine-banded armadillo — size, diet, habitat, and conservation in one place.
Armour and anatomy
Armadillos are covered in osteoderms — bony plates fused into bands with flexible skin between. The nine-banded armadillo cannot roll into a complete ball (unlike three-banded South American species). Strong claws excavate burrows and unearth beetle larvae and ants.
Reproduction and quadruplets
Nine-banded armadillos almost always give birth to four genetically identical young from a single fertilised egg. Delayed implantation allows breeding timing to match favourable seasons. Newborns have soft skin that hardens within weeks.
Range expansion
Once confined to Latin America, nine-banded armadillos crossed into Texas in the 1800s and continue spreading north and east across the United States, aided by milder winters and lack of specialised predators.
Ecology and health notes
Armadillos aerate soil through digging and eat crop pests, but they also raid gardens and can carry Mycobacterium leprae, the bacterium that causes leprosy — transmission to humans is rare but documented in close-contact settings.