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 ...

Hummingbirds are tiny and delicate, but don’t be fooled: They are among the most aggressive birds in the avian kingdom. Their territorial fury is especially aimed at other hummingbirds. Competition ...

Oh sure, this hummingbird looks relaxed now, but if another hummingbird dares to visit the nectar feeder, the fight is on. (John Kelly/The Washington Post) Perspective by John Kelly I had a simple ...

If your local hummingbird is getting a bit aggressive, it may have a drinking problem. A recent study by University of California, Berkeley biologist Robert Dudley indicates that, along with nectar, ...

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 ...

In the cheap entertainment department, hummingbirds rank at the top. A $10 feeder, a few tablespoons of sugar, and bingo, you’ve hit the jackpot. Just put out the feeder, take a seat somewhere close, ...