Cretaceous Thanksgiving

Feathered dino ate true bird

Web edition : Wednesday, November 23rd, 2011

More than 120 million years before the first Thanksgiving ? before the first turkey even ? at least one dinosaur was feasting on a bird.

A fossil Microraptor gui from northeastern China ? still a dinosaur despite winglike feathers on all four limbs ? has bird bones in its abdomen, report Jingmai O?Connor and her colleagues at the Chinese Academy of Sciences in Beijing. The position of the bird feet and partial wing suggest the dinosaur swallowed some now-extinct, tree-perching bird whole, the researchers contend in a paper published online November 21 in the Proceedings of the National Academy of Sciences. They propose that Microraptor frequented trees and hunted deftly enough to snag what was probably an adult bird.

Possible, but not the only possibility, cautions paleontologist Jerry D. Harris of Dixie State College in St. George, Utah. If the dino caught its lunch, he wonders why there weren?t more bird bones. Also, studies of Microraptors and their relatives suggest ground-based hunting. ?Today?s cats certainly get into trees, and perching birds visit the ground, Harris says, but ?bird remains in a cat?s guts don?t mean that it was hunting and catching birds in trees.? ?

Found in: Earth Science, Environment and Life

Source: http://www.sciencenews.org/view/generic/id/336423/title/Cretaceous_Thanksgiving__

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