Five triceratops fossils were found together, indicating they may have lived in herds. Main image, triceratops in a herd. Inset, one of the fossils found in Wyoming.

Fun Facts about Triceratops. Triceratops babies needed to gain a lot of weight every year — 1 ton or over 2,200 lbs — to reach their full-grown weight of 8.8 tons.

A study of the fossil, which has been a flashpoint in the world of paleontology, indicates that Triceratops' famous horns and frills were used in battle with each other.

Triceratops was a three-horned herbivore that resembled a rhino equipped with horns above its eyes and a bone in the shape of Queen Elizabeth I's collar.These animals once roamed the dip of the ...