<p style="text-align:left">A new hypothesis proposes that non-avian dinosaurs may have used feathers on their arms and tail to visually startle prey into fleeing, and subsequently utilized these feathers in maneuvers during pursuits of the fleeing prey. Results based on experiments using a robotic dinosaur and computer animations of dinosaur behavior show that insect prey is startled into fleeing more often and from farther distance when primitive small wing-like feathers were present at the end of forelimbs, especially when the feathers have contrasting color-patterns, and when tail feathers of a large surface area were used during visual displays.</p>
New Theory: Dinosaurs Used Feathers to Hunt Prey miragenews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from miragenews.com Daily Mail and Mail on Sunday newspapers.
<p style="text-align:left">A new hypothesis proposes that non-avian dinosaurs may have used feathers on their arms and tail to visually startle prey into fleeing, and subsequently utilized these feathers in maneuvers during pursuits of the fleeing prey. Results based on experiments using a robotic dinosaur and computer animations of dinosaur behavior show that insect prey is startled into fleeing more often and from farther distance when primitive small wing-like feathers were present at the end of forelimbs, especially when the feathers have contrasting color-patterns, and when tail feathers of a large surface area were used during visual displays.</p>
Analysis | See how bird populations are declining in the United States, city by city washingtonpost.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from washingtonpost.com Daily Mail and Mail on Sunday newspapers.
Thanks to the popular cartoon, most folks associate roadrunners as icons of the desert, and while that is not untrue, the bird's range actually includes many other types of habitats from the coast of Southern California all the way to Northwest Louisiana, the western half of Arkansas and almost all of the northern half of Mexico.