Newborn caterpillars protect leaf-tip homes with buzzing and drumming signals. These vibrations scare off rivals and help avoid fights.

A baby hummingbird hatches. But it has fluffy feathers on its back, looking just like a dangerous caterpillar. Could this be something unusual among hummingbirds? Rosannette Quesada Hidalgo Some ...

This tiny hummingbird chick, a white-necked jacobin, took on the look of a caterpillar upon hatching ... was with the group when they found the baby hummingbird, and he noticed something he ...