Of nine different behavioral or fitness-related responses in 160 bird species examined, noise pollution had negative impacts ...

Q. Why do mockingbirds mimic the songs of other birds? Are there any other bird mimics? Can birds reproduce the sounds of other animals? A. Mimicry is a common trait of the northern mockingbird, which ...

For a migratory bird, good timing is a matter of life or death. Every spring countless warblers, geese, hummingbirds, and more—one in five bird species, all told—leave their winter hideaway on a long ...

Birds sometimes destroy or abandon their own eggs, a behavior driven by survival strategies. Factors like brood parasitism, predation, and resource competition can lead to egg removal to improve ...

Since the 1970s, the U.S. has lost billions of birds. We now know that those losses aren't just growing—they are accelerating ...

Island birds display unique adaptations, known as island syndrome, with scientists noting changes in reproduction, flight ...

Q. Why do mockingbirds mimic the songs of other birds? Are there any other bird mimics? Can birds reproduce the sounds of other animals? A. Mimicry is a common trait of the northern mockingbird, which ...