I’ve been noticing more than one ruby-throated hummingbird at my feeder recently. Two, sometimes even three, sharing the feeder. None of these have the ruby-throat of an adult male. So, these are ...

Birds have evolved some very strange features and behaviors in order to woo mates. Birds-of-paradise feathers are a natural vantablack. Bowerbirds build elaborate and colorful nests. And it seems that ...

Some female hummingbirds know how to avoid the attention of aggressive males, biologists say: The girls have developed feathers that make them the spitting image of boys. Researchers studying the ...

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 ...

Around 20 percent of female white-necked jacobins have evolved to share the vibrant plumage characteristic of males. sam may via Flickr under [CC BY 2.0] Female hummingbirds are ditching their drab ...

Known for being beautiful and fast, Hummingbirds are among the world’s smallest birds. The largest of these jewel-toned beauties weighs less than one ounce. Hummingbirds have the most rapid wing beats ...

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto.

Hummingbirds with brightly colored feathers typical of males are harassed by other birds less frequently than those with drab female-colored feathers. Male coloring in one species of hummingbird gives ...

Some female birds are dressed to the nines – yet oddly interact less with others. Brightly colored feathers may be the key for these female hummingbirds to avoid physical fights with others of their ...