This Leaf Tip Ain't Big Enough For The Two Of Us | Defector
Unlike other caterpillars, warty birch caterpillars do not build shelters or live in groups; instead, they defend their own leaves aggressively, demonstrating territorial behavior.
The Territory Is Tiny and So Is the Newborn Caterpillar Defending It
The behavior of warty birch caterpillars showcases an unconventional approach to territory, with these tiny insects fiercely defending their leaf tips against intruders.