There are several explanations for why hummers behave in this manner! The biggest reasons hummingbirds engage in aerial combat are to secure breeding and feeding territory. A true in-flight fight of ...

"This model elegantly explains this puzzling female polymorphism in one species, but also offers a framework to study testable predictions of plumage differences, or lack thereof, between sexes across ...

Let’s get one thing out of the way: All hummingbirds fight. Most species fight for food, using their tiny bodies and sharp bills to force competitors away from flowers. But the green hermit ...