| http://www.w3.org/ns/prov#value | - a shape more like that of a paper airplane meant to help generate lift, Microraptor???s tail fan is actually much narrower with two elongate feathers off its tip.The researchers believe the tail feathering may have been ornamental, and likely evolved for courtship and other social interactions and not as an adaptation for flight.???Most aspects of early dinosaur feathering continue to be interpre
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