The sharp, elongated bills of green hermit hummingbirds aren’t just fine-tuned for feeding; they also allow males to joust ...

During mating season, Long-billed Hermit males gather in groups for a talent contest called a “lek.” From a perch, one male begins a courtship ritual that starts with a series of chirps. Other males ...

Though tiny and delicate, hummingbirds are keen at adapting to their environment — whether building a nest with a leaf as a roof or using their expert eyes to scout out their surroundings.

The iridescent green hermit hummingbird is known for its elongated bill, which is fine-tuned for feasting on a particular tropical flower in the rainforests of Central and South America. But once ...