Brightly colored male songbirds not only have to attract the female's eye, but also make sure their sperm can last the distance, according to new research.
A new species of feathered dinosaur has been discovered in China. The one-of-a-kind specimen preserves feathers and bones that provide new information about how dinosaurs grew and how they differed from birds.
When nearly one million common murres died at sea and washed ashore from California to Alaska in 2015 and 2016, it was unprecedented -- both for murres, and across all bird species worldwide. Scientists blame an unexpected squeeze on the ecosystem's food supply, brought on by a severe and long-lasting marine heat wave known as […]
