Triceratops had three distinctive horns on its head and a large bony frill behind its head. Its body shape was similar to that of a rhinoceros.
Triceratops lived within the forested river valleys of western North America.
Triceratops had a battery of teeth which were shed and replaced over their lifetime like a prehistoric conveyor belt system. The tops of their teeth formed a continuous surface, which acted as a pair of giant prehistoric scissors – perfect for cutting vegetation.
Although Triceratops had large nasal passages (almost half the size of their skulls), they had small olfactory bulbs and therefore a poor sense of smell. Instead, their large nasal passages probably aided heat exchange, keeping their body at the right temperature.
Although we have no evidence of what Triceratops poo looked like, fossilised Tyrannosaurus rex poo has been found to contain remnants of Triceratops bone. This is an important piece of evidence in showing the predator-prey relationships between these dinosaurs.
All known adult Triceratops fossils have been found separately, hinting that these animals would have led a solitary lifestyle. At a site in south eastern Montana, palaeontologists dug up a jumble of Triceratops bone from three different individuals. This was the first hint of any social activity. The individuals were juveniles and the fossils have been taken to suggest that Triceratops youngsters lived and travelled together, most probably for protection.
Height: 3m (9.84ft)
Length: 9m (29.52ft)
Weight: 6 tonnes (6.72 short tons)
Top speed: 26kph (16.16mph)
Vision: Triceratops' eyes were on the side of its head, to keep an eye out for predators like Tyrannosaurus rex.
Skin: Triceratops' frill was adorned with bony ornaments along its margins.
Skull: Triceratops had one of the largest skulls of any land animal. At 2.5m (8ft) long, it accounted for one third of the total length of the animal.
Prey: It is thought that Triceratops had a gut full of fermenting bacteria for digesting tough plant material, just like cows do today.
Bite: Triceratops had a parrot-like beak, which would have been perfect for grasping and plucking vegetation at ground level.
Nest: Scientists have uncovered a nest from a Protoceratops, a relation of Triceratops. The nest was round in shape, measured 0.7m (2.3ft) in diameter and contained 15 baby dinosaurs. A Triceratops nest might have been quite similar.