Video shows two birds perched on a dying cottonwood tree in Colorado. Suddenly, the nest explodes and both birds are knocked ...

Some people flip houses, but Mother Nature is in the process of flipping birds. This week at Market Lake, the summer birds ...

BirdCast—a migration forecasting tool operated by Colorado State University and the Cornell Lab of Ornithology—tracked a ...

Long before birds, pterosaurs were the first true flying vertebrates ... including up in the trees and closer to the ground. Long-tailed pterosaurs, such as Scaphognathus, had large, curved ...

Hovering in one place requires a lot of energy, Dr. Guglielmo said, as does flying at top speed. Somewhere between those extremes is a bird’s most energy-efficient speed, one that allows it to ...

Without explanation, these miniature birds, sometimes described as cigars with wings, suddenly left their migratory stop of ...

Thousands of birds were recorded flying frantically above a cruise ship out to sea as its captain awaited the worst of Hurricane Milton to pass, with several dropping dead ...

Pterosaurs dominated Mesozoic skies with their intimidating wingspans. But first, they needed to walk around on the ground. A study published October 4 in the journal Current Biology found that the ...