New research finds that the syrinx, the vocal organ of birds, and larynx share the same developmental programming.

Competition over love and real estate drive two extreme behaviors of green-rumped parrotlets: adopting or killing their rivals' babies.

Birdwatching can lower stress and improve well-being for college students, even more than other nature-based activities like walks.

Previously unknown aerodynamic interactions shed light on how birds fly in such a coordinated and seemingly effortless fashion.

Bird flu is circulating among dairy cows and a dairy farm employee has been infected. An expert explains what you need to know.

New info about eggshell membranes could help improve surgeries for torn ligaments and benefit egg producers, researchers report.

Evolutionary biologists have answered an enduring question in biology: How did the brains of birds evolve to enable them to fly?

Bird populations in North America are in steep decline. A new study points to window collisions, cats, and habitat loss—and what you can do to help.

Researchers have confirmed a long-standing hypothesis that species diversity evolves through adaptation to different resources.

Scientists are working to understand threats to bird populations from renewable energy plants.