What unique defensive adaptation is associated with the La Plata three-banded armadillo?

Answer

It can roll completely into a tight ball.

The three-banded armadillos are famous for their ability to roll completely into a sphere by locking the edges of their three prominent, articulating bands together.

What unique defensive adaptation is associated with the La Plata three-banded armadillo?
animalShellappearancearmadillophysical