Female hummingbirds are disguising as males to avoid aggression

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 to look like males to avoid aggression.

Male White-necked Jacobin hummingbirds have a flashy bright blue head, iridescent green back, and a white stomach and tail.

In comparison, their female counterparts are muted in color. They have a speckled front and the iridescent olive green back. The drab colors make it easier for the females to hide with their young, from predators or other aggressive hummingbirds.