Video from the Toledo Zoo shows the newborn curling up into a ball to be weighed on a small scale. The three-banded armadillo is the only species of armadillo that can fully roll up into a ball ...

Curling up isn’t just about avoiding predators—it’s also a natural reaction to fear or stress. Hedgehogs may curl into a ball ...

Rather than opting for a bed that matches her tall, lanky frame, Poppy prefers curling up into a ball on the little bed, often looking like a neatly folded dog bean. The text overlay in the ...