For some birds, recognizing their own eggs can be a matter of life or death. In a new study, scientists have shown that many birds affected by the parasitic Common Cuckoo -- which lays its lethal ...

Research looks at the evolutionary pathways to differences in bird plumage patterns between males and females -- and concludes that birds are able to adapt their appearance with remarkable ease.

The dark, smudgy streaks on Xavi Bou's photographs suggest the jerky ink tracks created by a malfunctioning printer, but they actually record the various patterns birds trace while flying in flocks.

A bird migrating with others in a V formation turns out to be a master of the well-timed flap, able to match the up-and-down path traced by the wing tip of the bird in front of it. Fighter pilots know ...

Just in time for World Migratory Bird Day, May 10, an article in the April issue of Animal Behaviour explores the impact of shifting migration patterns in one population of migratory birds. An ...