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.

New research is revealing the complexity of bird migration, from species that fly for months without landing to others altering routes due to climate and human influence. Advances in tracking and ...

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.

When you first see Shaun Kardinal’s amazing bird photos, you wonder just what's going on. His images show birds flying in complex patterns---squares, spirals, even circles---you’ve never seen before, ...

Larger-bodied migratory birds are reproducing less, while sedentary species of small-bodied birds tend to produce more offspring under similar conditions, according to an international study focused ...

A white-throated swallow, one of several intra-African migratory birds. MartinMaritz/Shutterstock Bird migration comes in many flavours – and, as with ice cream ...