| http://www.w3.org/ns/prov#value | - The researchers believe the tail feathering may have been ornamental and probably evolved for courtship and other social interactions and not as an adaptation for flight.Most aspects of early dinosaur feathering continue to be interpreted as fundamentally aerodynamic, optimized for some aspect of aerial locomotion, said Julia Clarke, one of the paper's co-authors and an associate professor of pa
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