Observatoire des droits humains (anglais seulement)

'Superduck' Dinosaur Provides Insight Into Elaborate Head Crests

(Version anglaise seulement)

In a warm, lush environment near a meandering river 79.5 million years ago in Montana, a dinosaur nicknamed "Superduck" munched on leaves and kept a lookout for predators related to Tyrannosaurus rex that might threaten its herd. Scientists on Wednesday announced the discovery of fossils of the dinosaur they named Probrachylophosaurus bergei that was about 30 feet (9 meters) long, weighed more than 5 tons and had a small, triangular, bony crest atop its skull. It was a member...

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