Pictured: Richard's pipits (Anthus richardi) are migrating on an east to west axis instead of heading south towards warmer latitudes. JJ Harrison via Wikimedia Commons under CC BY 3.0 Each year birds ...

For some birds, recognising their own eggs can be a matter of life or death. Scientists have used imafe recognition technology to show that birds defending their nests against the Common Cuckoo - ...

For some birds, recognising 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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: iStock A surprising discovery about bald eagles in Arizona is forcing scientists and the communities that share ...

New research shows mountain birds move up and down slopes to save energy, find food, and avoid competition across seasons.