The Parasaurolophus is a duck-billed dinosaur with a unique crest that lived 70 million to 80 million years ago. It stood around 16 feet tall and is estimated to have weighed 6,000 to 8,000 pounds.

The duck-billed dinosaurs that roamed North America some 77 million years ago were giant herbivores with a flat, paddle-shaped bony crest that completely covered the back of the top of the skull.

An illustration of a reconstruction of the iridescent dinosaur which had rainbow feathers, named Caihong juji, unearthed in China, is shown in this October 31, 2016 photo released on Jan. 15, 2018.

Researchers theorize that like a rooster's coxcomb, the crest was brightly colored and served as a signal to others of its kind. Never before have scientists found such a non-bony crest on a dinosaur.

Duckbilled dinosaur with strange crest on skull lived in Mexican tropics. Feb. 13, 2008 — -- The Mexican state of Coahuila, due west of the southern tip of Texas, is arid country today. But ...

A dinosaur skeleton discovered by an eagle-eyed high-school student turns out to be the smallest, youngest and most complete duck-billed dinosaur of its kind ever found. This Cretaceous-era ...

A rare, mummified specimen of the duck-billed dinosaur Edmontosauraus regalis shows for the first time that those dinosaurs' heads were adorned with a fleshy comb, similar to the roosters' red crest.

This dinosaur is known for a crest on the top of its head, similar to a cockatoo or tufted titmouse. It lived and was about 16 feet tall and weighed roughly 6,000 to 8,000 pounds.

We tend to associate dinosaurs with ground-shaking roars, ... (CT) scanner, they were able to take 350 images of the crest, allowing them to see inside in unprecedented detail. Then, ...

The Parasaurolophus is a duck-billed dinosaur with a unique crest that lived 70 million to 80 million years ago. It stood around 16 feet tall and is estimated to have weighed 6,000 to 8,000 pounds.

The Parasaurolophus is a duck-billed dinosaur with a unique crest that lived 70 million to 80 million years ago. It stood around 16 feet tall and is estimated to have weighed 6,000 to 8,000 pounds.