Stick insects, as their name implies, are insects that have taken camouflage and imitation to the extreme by developing the appearance of a stick, leaf, or twig. Typically, these insects are shades of brown, although some may be green, black, gray, or blue.
When camouflage is not enough, some stick insects use active forms of defense to handle predators. For example, the species Eurycantha calcarata can release an awful-smelling substance as a deterrent. Find out more!