Dino-Killing Cosmic Impact Wiped Out Ancient Birds, Too
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A cosmic impact at the end of the Cretaceous that wiped out non-avian dinosaurs seems to have decimated primitive birds as well, researchers now say. CREDIT: Andrea Danti | Shutterstock |
Although birds survived the mass extinction that claimed their brethren, the rest of the dinosaurs, birds did not emerge unscathed, scientists now find.
Apparently many ancient lineages of birds died off at the end of the Age of Dinosaurs, researchers added.
Nearly all the modern bird groups, from owls to penguins and so on, began to emerge within 15 million years after the rest of the dinosaurs went extinct. These birds are subtly but significantly different from many of the ancient lineages that existed before a cosmic impact at the end of the Cretaceous period about 65 million years ago wreaked havoc around the globe.”These archaic birds superficially looked very similar to modern birds, but underneath their feathers they were completely different,” researcher Nicholas Longrich, a vertebrate paleontologist at Yale University, told LiveScience. “Some of them had teeth. Some of their joints were built backward compared to modern birds, so they may have flown in a different way.” [In Photos: Birds of Prey]
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Whistler Blowers, Insiders
how do you know that bird started appearing 15 million years after dinosaurs started dieing off.
how do you know dinosaurs lived 65 million years ago.
lets call it this. a educated guess I would say. its hard to say about birds. I think what has happen on this comet Elenin fading before it got here. could we say how this one” that had hit the earth could of had a deadly impact. could scientist see really in holographic view what really happen. there only guessing . and science can tell us so much.