#volvation
Volvation, is a defensive behavior in certain animals, in which the animal rolls its own body into a ball, presenting only the hardest parts of its integument, or its spines to predators (such as hedgehogs, armadillos, and pill bugs).
Volvation, is a defensive behavior in certain animals, in which the animal rolls its own body into a ball, presenting only the hardest parts of its integument, or its spines to predators (such as hedgehogs, armadillos, and pill bugs).