Nature produces some truly extravagant costumes, and birds have evolved more than their fair share of dazzling outfits. Often, it's the male birds that steal the show with bold colors and unfurling ...

Small but speedy. Tiny but aggressive. Little bodies, big appetites. Hummingbirds are a study in extremes. They are the lightest North American birds. Most weigh less than two pennies at 3 to 4 grams.

Whether sipping nectar from flowers and zipping through the air, hummingbirds are a sure sign of spring in California. The itty-bitty birds are busy breeding and building nests, which means there are ...

It’s the only hummingbird species that calls Kentucky and the Eastern U.S. home, and it’s steadily migrating north as the temperatures warm and spring draws ever closer. The ruby-throated hummingbird ...