According to bird experts Kenn and Kimberly Kaufman, much about bird flying is dependent on the species, season, and what else the bird is doing. Songbirds that feed on insects vary in the elevation ...

Bird feathers are unique wonders—born before birds, shared with dinosaurs, vital for flight, warmth, display, and survival.

More than 99% of birds can fly. But that still leaves many species that evolved to be flightless, including penguins, ostriches, and kiwi birds. In a new study in the journal Evolution, researchers ...

When you picture a dinosaur, what does it look like? Maybe you think of four-legged herbivores like Apatosaurus or Triceratops. Maybe you imagine large armored dinosaurs like Ankylosaurus or ...

Scans of the most well-preserved fossil of a prehistoric flying reptile with intact feathers have revealed how the first birds managed to fly while their non-bird dinosaur cousins could not. The ...

“How do you make a hinge? Look at a fruit fly.” Princeton’s Bio-Inspired Adaptive Morphology (BAM) Laboratory, headed by Assistant Professor in the Mechanical Science and Engineering Department Aimy ...

Some feathered dinosaurs may have lost the ability to fly, revealing that the evolution of flight was far more complex than ...