... to five times faster than any potential predators that lived alongside it," Lee said. "By the time the duck-billed dinosaur was fully grown, the tyrannosaurs were only half grown – it was a huge size ...
The ornate headgear worn by duck-billed dinosaurs millions of years ago was used to make eerie, bellowing calls, suggests a new study.
... of the brain associated with higher cognitive functions were," said Witmer. "We suspected that the crested duck-billed dinosaurs used both vocal and visual displays, but now we see that they had the ...
... The nest was labeled as belonging to a hadrosaur (duck-billed) dinosaur, but she soon discovered it was mistakenly ... small raptor, both small meat-eating dinosaurs closely related to birds. Either way, ...
One of the world's most perfectly preserved dinosaur fossil was unearthed in Montana in 2002. Leonardo the duck-billed dinosaur has since taught paleontologists much.
... and sickle-clawed dinosaurs tend to dominate red rocks deposited under dry conditions across ... Desert, whereas tyrannosaurs, ornithomimosaurs, and duck-billed dinosaurs tend to occur in rocks deposited ...
... geologic period has been preserved in bone fragments and soft tissues of a hadrosaur, or duck-billed dinosaur, according to a study in the May 1 issue of Science. Led by scientists at Beth Israel ...
... fossilized teeth from a
hadrosaur revealed how the duck-billed dinosaur chewed plants for
food. Now another team, analyzing what may be the most intact
dinosaur mummy discovered yet, report fresh ...
... a 75-million-year-old giant duck-billed dinosaur; a shocking pink millipede; a rare, off- ... a 75-million-year-old giant duck-billed dinosaur – Gryposaurus monumentensis – discovered in southern Utah by ...
... Paleontology uses high-resolution computed tomography (CT) imaging to guide sampling of bone lesions in the vertebrae of a hadrosaur ("duck-billed") dinosaur for histological and isotopic analysis.
... , said: "For millions of years, until their extinction at the end of the Cretaceous, duck-billed dinosaurs – or hadrosaurs - were the World's dominant herbivores. They must have been able to break ...
Spanish researchers have studied the fossil record of hadrosaurs, the so-called 'duck-billed' dinosaurs, in the Iberian Peninsula for the purpose of determining that they were the last of their kind ...
