Hummingbirds are among the smallest birds, and they are known for being beautiful, petite, and fast. After all, they can beat their wings up to 80 times a second! Like many creatures in the animal ...

With the work it takes to raise a hummingbird family, females are typically scarce through the summer. But now, they're starting to appear.

White-necked jacobin hummingbirds sport a colorful blue-and-white plumage as juveniles. When they grow into adulthood, males retain this dazzling pattern, while females develop a more "muted" palette ...

It's been known for some time that some—but not all—female white-necked jacobin hummingbirds take on the brightly colored plumage worn by males. In a study published in Animal Behaviour, a team of ...

A lot of people are familiar with the idea that many birds are color-coded by sex: males are brilliant whilst females are drab. But hummingbirds have turned this perception onto its head because in ...

When you think of a hummingbird you probably think of a small sweet bird. But, hummingbirds are also very aggressive, especially males. According to a new study, some female hummingbirds are evolving ...

White-necked jacobin hummingbirds sport a colorful blue-and-white plumage as juveniles. When they grow into adulthood, males retain this dazzling pattern, while females develop a more “muted” palette ...

1 in 5 adult female white-necked jacobin hummingbirds look like males. New research shows that this is a rare case of 'deceptive mimicry' within a species: Females with male-like plumage are trying to ...