A study carried out by a team of Canadian researchers from University of Calgary and the Royal Tyrrell Museum of Palaeontology, have discovered that first specimen of dinosaurs in Western Hemisphere, which had feathers.
It has been recovered that the specimen was found 75 million-year-old rocks in Alberta.
The study published in the well-known journal Science, asserted that Ornithomimids, the scientific name for bird mimic dinosaurs, must have had feathers and wings.
The team led by paleontologists Darla Zelenitsky and Francois Therrien, asserted that although till date skeletons of several ornithomimid have been studies, the recently found specimen is the first ever to point out that even ornithomimids had feathers, like theropod dinosaurs.
The researchers said, "They found evidence of feathers preserved with a juvenile and two adult skeletons of Ornithomimus, a dinosaur that belongs to the group known as ornithomimids, suggesting that all ornithomimid dinosaurs would have had feathers".
Zelenitsky stated that these dinosaurs were covered with feathers; however, it was only the older dinosaurs, which were able to grow larger feathers covering the arms, which looked like wings.
However, after studying the patterns of birds, it was analyzed that the structures formed by the dinosaurs were different, as in case of birds, wings start developing immediately after birth.
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