duck-billed dinosaur

(redirected from duck-billed dinosaurs)
Also found in: Dictionary, Thesaurus.

duck-billed dinosaur

[¦dək ‚bild ′dīn·ə‚sȯr]
(paleontology)
Any of several herbivorous, bipedal ornithopods having the front of the mouth widened to form a ducklike beak.
References in periodicals archive ?
According to paleontologist Mark Purnell of the University of Leicester Department of Geology, who led the research, "For millions of years, until their extinction at the end of the Cretaceous, duck-billed dinosaurs - or hadrosaurs - were the world's dominant herbivores.
13 ( ANI ): A rare, mummified specimen of the duck-billed dinosaur, Edmontosauraus regalis, has shown for the first time that those dinosaurs' heads were adorned with a fleshy comb, most similar to the roosters' red crest.
TEHRAN (FNA)- A rare, mummified specimen of the duck-billed dinosaur Edmontosauraus regalis described in the Cell Press journal Current Biology on December 12 showed for the first time that those dinosaurs' heads were adorned with a fleshy comb, most similar to the roosters' red crest.
It was home to a variety of dinosaurs such as velociraptors, prenocephale, tarbosaurus, and many types of armored and duck-billed dinosaurs.
Other fossils found in the same region include cow-sized relatives of giant sauropod dinosaurs, and tiny duck-billed dinosaurs, according to research published in the journal Proceedings of the National Academy of Sciences.
Horner began to suspect the truth about the three skulls after he heard about studies of duck-billed dinosaurs.
One curious feature of the duck-billed dinosaurs, aside from their flattened beaks, is the flat, grinding teeth found in some species.
Many bones of duck-billed dinosaurs in Montana are found in ash beds, suggesting that a volcano in the rising Rocky Mountains killed them.
Scientists have long wondered about the purpose of the strangely shaped head gear worn by duck-billed dinosaurs, big plant-eating beasts that walked on two legs.
Gryposaurus monumentensis was a giant among duck-billed dinosaurs - and seriously equipped for chomping.
Duck-billed dinosaurs were the wildebeests of the ancient Arctic.