The bird has a short tail ending in a pygostyle, an important aerodynamic innovation moving the center of mass forward toward ...

Researchers state that the fossils prove that birds had already diversified by the end of the Jurassic period.

"Previously, the oldest record of short-tailed birds is from the Early Cretaceous. Baminornis zhenghensis is the sole ...

These figures, which include species such as swans, songbirds, waterfowl, pigeons, and even birds of prey, were created with tesserae made of stone and glass paste in vibrant colors, highlighting both ...

Birds are the most diverse land vertebrates. Some studies suggest their earliest diversification dates back to the Jurassic ...

Birds begin a complete molt into adultlike plumage soon after fledging, and briefly exhibit a striking mosaic of juvenal and adult feathers. Abundant. Breeding: needs natural or artificial cavities.