About 115 million years ago, a teenage bird with spotted, ribbonlike tail feathers flew around the trees of the supercontinent Gondwana, until it perished and fossilized in what is now northeastern ...

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Bird tails tell tales that help us clinch a bird’s identification. The tail’s shape and hues, as well as the way the bird holds its tail, are identifying characteristics. A bird's tail consists of a ...

If you had to describe a male peacock’s tail feathers, you might pick words like “dazzling” or “beautiful.” You probably wouldn’t go with “stealthy,” “aerodynamic,” or “subtle.” Peacock tails are just ...

Peacock tails are just one example of how evolution walks a line between favoring traits that make it easier to survive, and traits that make it easier to find a mate. In a new study, scientists have ...