Male and female White-necked Jacobins vastly differ in color, making females a target for constant harassment. But one out of every five females keeps their “male” costume, holding onto their bright ...

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 ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Where tropical rainforests meet the Panama Canal flits the White ...

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 ...