Observatoire des droits humains (anglais seulement)

In The Groove: Scrape Marks in Ground Linked to Dinosaurs

(Version anglaise seulement)

Scientists say they've discovered evidence of a frenzied mating ritual by dinosaurs: long grooves in the ground etched by the pawing of clawed feet. Some birds show that behavior now, and the researchers believe the discovery shows that two-legged, meat-eating dinosaurs did it about 100 million years ago. Martin Lockley of the University of Colorado Denver said the dinosaurs, probably males, apparently gathered and scraped the ground with their three-toed feet. The grooves...

Lire l'article complet