The crest on the head of prehistoric flying reptiles was a puzzle for the scientists. Now UK scientists say they have resolved the mystery. A rare skull specimen found in Brazil shows the crest appeared at puberty, suggesting it was used to attract attention from the opposite sex. Dr Naish and colleague Dr David Martill who led the study examined the skull and found that the crest was different in the juvenile.Dr Naish said This is a significant find as it links the growth of the crest to physical maturity and therefore presumably to sex. The findings are published in the journal Palaeontology
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