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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.

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 ...

National Bird Day 2025 highlights how bird population changes reveal environmental stress and ecosystem health worldwide.

Birdwatchers and biologists in Canada say a U.S. tool that uses data gleaned from weather radar technology to help understand the complicated migratory patterns of songbirds could act as a model to ...

Image via Getty Images No, that's not a weather pattern. It's a flock of bird moving in a strange way. In Wyoming, residents ...

A change in migratory patterns may be the reason for fewer sightings of birds this fall, the Atlantic regional director of Birds Canada says. Laura Tranquilla, who's also a biologist in Sackville, ...

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 new study examining thousands of bird species across more than a thousand sites worldwide reveals a troubling pattern.

1 Behavioural Biology, Institute of Biology Leiden and Leiden Institute for Brain and Cognition, Leiden University, Leiden, Netherlands 2 Amsterdam Brain and Cognition, Institute for Logic Language ...