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 ...

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