Edmontosaurus were one of the largest of the duck-billed dinosaurs. It had short forelimbs with mitten-like hands (fleshy pads) with four fingers. Its hind legs were three-toes, hooved feet. It was a very slow moving bipedal dinosaur, that could run on two legs or walk on all four. This could of helped them to graze low-lying plants. It had a long, pointed tail.
The Edmontosaurus had a flat, slpoing head with a toothless beak. It had hundreds of closely packed cheek teeth to help grind its food. It had inflatable cheek pouches or skin flaps tht were over large nasal cavities. Normally this facial skin laid flat and wrinkly, but the Edmontosaurus could inflate it like a balloon, and emit a call or bellow. They may have been used to entice mates or threaten rivals, or to call straying young.
The Edmontosaurus was slow moving (about 12mph) and had few defenses to protect themselves. They did have keen senses, including eyesight, hearing and smell to help protect themselves from preditors.
They had a bulky body with leathery skin and a series of bumps (turbercles) running along its neck, back and tail. They probably lived in herds. They were herbivores or plant-eaters. They ate conifer needles, twigs, seed, foliage and fruits.
The intellegence was midway among the dinosaurs in relation to its body mass to its brain size.
The Edmontosaurus was from the order of Ornithischian or order of bird-hipped, hervivorous dinosaurs. The Suborder of Ornithopoda, or bird-feet; small to very large, mainly bi-pedal, plant-eating Ornithischians. They were from the family of Hadrosauridae, or family of duck-billed, herding herbovorous dinosaurs.
Fossils of the Dinosaur were named by Lawrence M. Lambe, in 1917, from fossils that were found in Alberta, Canada. Two mummified fossils were found in Wyoming, USA. One fossil was found that had most of the bones still in their original position, which is very rare, to find a near complete skeletion of a dinosaur. Fossils have been found in Albert and Saskatchewan, Canada. And also in the USA in Alaska, Colorado, Wyoming, Montana, North Dakota and South Dakota. A dinosaur previously named Anatosauras was probably a Juvenile version of the Edmontosaurus.
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