In a study published March 25 Current Biology, a team from the University of Tokyo describes how this small bird appears to use this wing to say “after you” to indicate that the other bird.

San Jose woman wants bird to stop tapping at her door A quail taking flight is somewhat like a rock with a bad set of wings as these pudgy birds madly flap, exerting great effort to get off the ...

(Reuters) -A new analysis of a pigeon-sized Archaeopteryx fossil in the collection of the Field Museum in Chicago is revealing an array of previously unknown features of the earliest-known bird, ...

Modern birds capable of flight all have a specialized wing structure called the propatagium without which they could not fly. The evolutionary origin of this structure has remained a mystery ...

Researchers may have just found the answer: Unlike birds, the evolution of bats' wings and legs is tightly coupled, which may have prevented them from filling as many ecological niches as birds.

Bird wing shape -- a proxy for long-distance flying ability, or dispersal -- is a trait that influences biodiversity patterns on islands around the world, according to biologists. You can know a ...