痛烈なニュースは絶滅している: CNN reports on dinosaur 'foreplay,' nearly six years after Forbes

タイトルの作品で “恐竜の不思議な性生活,” CNNのシニアプロデューサーであるKatieHuntは、 “どうやって” 再現された恐竜とそれ以来答えるのがいかに困難であったか “no fossil has revealed two dinosaurs caught in the act,” だが “close analysis and insightsof living animals like birds are allowing paleontologists topiece together the sex lives of dinosaurs.

The report published Monday began examining the plumage of the Confuciusornis and how itsribbonlike tail feathershave beeninterpreted as being used for sexual display.It then delved into the behavior of modern male birds calledlekking,” which was describedcompetitively dance and perform other courtship rituals to attract the attention of femalesand how dinosaursengaged in similar mating behavior, according to fossilized ‘scrapes’ left behind in 100 million-year-old rocks in the prehistoric Dakota Sandstone of western Colorado.

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This is physical evidence of prehistoric foreplay that is very similar to birds today,” University of Colorado Denver geology professor Martin Lockley told CNN. “Modern birds using scrape ceremony courtship usually do so near their final nesting sites. So the fossil scrape evidence offers a tantalizing clue that dinosaurs in ‘heatmay have gathered here millions of years ago to breed and then nest nearby.

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