An artist's reconstruction of feathered ornithomimid dinosaurs found in Alberta, Canada.
Dinosaurs may have wooed potential mates with flashy feathers, peacock style. Researchers have discovered lengthy wisps on a sexually mature adult, but absent in the toddler specimen of the same dinosaur species.
These findings shed light on the origin of wings and feathered flight, scientists added.
Birds are the last living lineage of dinosaurs. Their predatory dinosaur ancestors and relatives apparently were covered in feathers as well. These downy coats probably helped to keep them warm at first.
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