Sentences with phrase «flight feathers covering»

The fossils clearly show a small dinosaur that had flight feathers covering its legs, as well as tail and arms, forming an extra pair of wings never before seen by palaeontologists.

Not exact matches

Sawyer and Greenwold made the case in an earlier paper that the expansion and elaboration of the feather beta - keratin gene coincides with the evolution of the feather itself, from a simple body covering to a sophisticated assembly of interconnected working parts that make powered flight, among other competitive advantages, possible.

A flight feather should never be cut anywhere close to the covert feathers that cover the top of the flight feathers.