Michael has provided a perfect photo to illustrate why nuthatches are comfortable climbing both up and straight down a tree ...

When summer’s bounty of bugs, seeds, and nectar starts to wane, most birds in Colorado seek warmer climes with good food to offer. But one group of birds sticks it out year-round, subsisting on ...

Before Darwin’s theory became central to evolutionary biology, it still had gaps that were left to be filled—until a certain limestone quarry grabbed the spotlight.

Chinese scientists have unearthed the oldest short-tailed bird fossil, dating back about ... How were these changes in anatomy, physiology and behaviors across the entire body accomplished?

FUZHOU, Feb. 13 (Xinhua) -- Chinese scientists have unearthed the oldest short-tailed bird fossil ... How were these changes in anatomy, physiology and behaviors across the entire body accomplished?

“A short tail is widely regarded as aerodynamically ... while its pectoral and pelvic anatomy were similar to modern birds. “This demonstrates that different body regions evolved independently ...

Fossils are providing more and more clues about how dinosaurs attracted one another and reproduced, which contributed to ...

China discovers the earliest short-tailed bird, rewriting the history of avian evolution ... How were these changes in anatomy, physiology and behaviors across the entire body accomplished?” Xu said. ...

O'Malley, B. Clinical Anatomy and Physiology of Exotic Species: Structure and Function of Mammals, Birds, Reptiles and Amphibians (Elsevier Saunders, New York, 2005).