Utah biologists have been studying the state’s most elusive bird to learn more about its behavior and how to protect it in harsh mountain environments.
Archaeopteryx, long considered the earliest fossil bird, could be knocked off its perch by Baminornis zhenghensis, which ...
Flightless species of birds (such as ostriches, which are the largest living birds) tend to outsize any of the largest birds ...
Scientists have unearthed in southeastern China the fossil of a quail-sized bird that lived about 150 million years ago ...