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 ...

For several years I’ve written about Morning Joe, a congenial little Allen’s hummingbird who seemed content to perch just a few feet away on a garden agave as I enjoyed my first cup of coffee. We ...

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 ...

This was one seriously agitated ruby-throated hummingbird. Almost 40 years ago, but I can still see myself and four undergraduate assistants standing in a small opening within a heavily forested ...

Much like in human society, female hummingbirds have taken it into their own hands to avoid harassment. By watching white-necked Jacobin hummingbirds in Panama, researchers discovered that over a ...

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, ...

In many bird species, males are easy to spot because of their bright, beautiful plumage. When the sexes diverge in coloring, females often have drabber colors. In one type of hummingbird, these color ...

Watching hummingbirds fly around your garden can be a rewarding experience. It's like something straight out of a Disney movie -- until those lovely hummingbirds start fighting each other. Despite ...