Phenotypic characters with a complex physical basis may have a correspondingly complex evolutionary history. Males in the “bee” hummingbird clade court females with sound from tail-feathers, which ...

Berkeley -- The beeps, chirps and whistles made by some hummingbirds and thought to be vocal are actually created by the birds' tail feathers, according to a study by two students at the University of ...

You already know that hummingbirds are amazing animals — they can hover in place for minutes at a time, fly backwards at will, and flap their buzzing wings up to 70 times per second. But how much do ...

The smallest hummingbird in the world is as long as a toothpick and weighs less than a cube of sugar. At just over two inches long and weighing a mere two grams, the bee hummingbird (Mellisuga helenae ...