To withstand the force of the oncoming air, a flight feather is shaped asymmetrically, the leading edge thin and stiff, the trailing edge long and flexible. To generate lift, a bird has merely to ...

Kiat adds: "It's really surprising, that with so many styles of flight we can find in modern birds, they all share this trait of having between nine and eleven primary feathers. And I was ...

These telltale features are evidence of where ligaments attached flight feathers to bone and are considered proof that Velociraptor sported a fine feathery coat. The dinosaur's plumage may have ...