A hummingbird chick in Panama mimics a poisonous caterpillar to avoid predators—a rare case of bird-to-insect mimicry. When ...

A baby hummingbird might have a special way of warding off predators, which threaten tropical hummingbird species in infancy.

Scientists discovered a hummingbird chick that twitches like a caterpillar. This behavior scares off predators.

The caterpillars of these butterflies develop special glands that secrete a nectar-like substance to attract ants. The ants ...