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

A baby hummingbird hatches. But it has fluffy feathers on its back, looking just like a dangerous caterpillar. Could this be ...

That changed when Michael Castaño-Díaz and Sebastián Gallan Giraldo, a Ph.D student and research assistant, spotted a ...

The first time Camilla saw a caterpillar, she mistook the creature for a more fantastical apparition: a dragon wearing ...

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