BBC Children in Need Walking with Dinosaurs FactsUse this fact pack to bring your sponsored walk to life

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BBC Children in Need Walking with Dinosaurs Facts Pachyrhinosaurus

1 Pachyrhinosaurus could have moved at maximum speeds of about 25 miles per hour (on four legs)

2 Pachyrhinosaurus probably walked much slower (only a few miles per hour) most of the time

3 An adult Pachyrhinosaurus was 6-8 metres long and 2-2.5 metres tall at the hips

4 A teenage Pachyrhinosaurus was about 2.5-3 metres long and 0.75-1 metre tall at the hips

5 An adult Pachyrhinosaurus weighed about 2-4 tonnes, teenagers about 750-1500 kg

6 Pachyrhinosaurus lived from 73-69 million years ago in North America

7 Juveniles and adults congregated together in huge herds

8 Pachyrhinosaurus herds probably had vast home ranges—they may have migrated hundreds of miles per year

9 Pachyrhinosaurus was like a dinosaur version of a rhinoceros: it had a frill at the back of its skull and horns and bumps on several places on its skull

10 Pachyrhinosaurus ate plants and had hundreds of small teeth that were packed together, which were used to shear plants like scissors

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BBC Children in Need Walking with Dinosaurs Facts Gorgosaurus

1 Gorgosaurus could probably move at maximum speeds of about 25-28 miles per hour, faster than its close cousin T. rex (moved on two legs)

2 Gorgosaurus was 8-9 metres long as an adult

3 An adult Gorgosaurus weighed about two tonnes

4 Gorgosaurus is one of the closest cousins of T. rex. The two dinosaurs would have looked and behaved very similarly.

5 Gorgosaurus lived in North America from about 76-75 million years ago

6 Gorgosaurus was an apex predator. It was the largest and fiercest predator in its ecosystem

7 Gorgosaurus might have formed small hunting packs of about 5-8 individuals

8 Gorgosaurus had puny little forelimbs. They had no use in walking!

9 Gorgosaurus had a muscular skull and thick teeth, which it used to bite through the bones of its prey!

10 Gorgosaurus was a fierce hunter, but it would probably also scavenge carcasses if it found them during its wanders.

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Gorgon

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BBC Children in Need Walking with Dinosaurs Facts Troodon

1 Troodon would have run at speeds of up to 25 miles per hour (on two legs)

2 Troodon was about the size of a lion: about 2 metres in head-tail length and about one metre in height at its hips

3 Troodon weighed about 50 kilograms

4 Troodon was covered in feathers

5 Troodon was a close relative of birds and would have looked quite a bit like a big bird

6 Troodon lived in North America from about 77-66 million years ago.

7 Troodon ranged across much of North America, from the southern regions of New Mexico up to the arctic highlands of Alaska

8 Troodon was adapted for speed —it had a light skeleton with long legs

9 Troodon had a sickle-shaped claw on each of its feet

10 Troodon was one of the smartest dinosaurs—it had one of the largest brains relative to body size for any dinosaur

11 Troodon ate both meat and plants

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BBC Children in Need Walking with Dinosaurs Facts Edmontosaurus

1 Edmontosaurus could probably move at maximum speeds of about 30 miles per hour

2 Edmontosaurus adults were about 12 metres long and 2.5-4 metres tall at the hips

3 Edmontosaurus adults weighed 4 tonnes

4 Edmontosaurus probably walked on four legs most of the time, but was capable of running on its hindlimbs only if it needed to move at fast speeds

5 Edmontosaurus lived during the final few million years of the Age of Dinosaurs (73-66 million years ago) in North America

6 Edmontosaurus lived in large herds

7 These herds would have had large home ranges and probably migrated hundreds of miles per year

8 Edmontosaurus was the largest plant-eater in its ecosystem

9 Edmontosaurus had a duck-like beak at the front of its skull and hundreds of tiny teeth packed together in its jaws. These features allowed them to grab, shear, and process large amounts of plants in a short amount of time.

10 Edmontosaurus was a prey item of the famous T. rex

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BBC Children in Need Walking with Dinosaurs Facts Ankylosaur

1 Ankylosaurs were among the slowest dinosaurs: they probably plodded along at only a few miles per hour maximum speed (walked on four legs)

2 Adult Edmontonia (a kind of ankylosaur that lived alongside pachyrhinosaurs) were 7 metres long and about 2 metres tall at the hips.

3 Adult Edmontonia (pictured) weighed up to 4 tonnes.

4 Ankylosaurs were built like tanks: they were covered in bony armour!

5 Ankylosaurus, the biggest ankylosaur, had a big club at the end of its tail. It was probably used like a Medieval mace: to swing at predators or rivals.

6 Ankylosaurus lived during the final few million years of the Age of Dinosaurs (68-66 million years ago) in North America

7 Because of their tank-like armour, spikes and/or tail club, scientists think that ankylosaurs wouldn’t have needed to run away from predators, but would hunker down if attacked, waiting for the predator to exhaust or injure itself trying to penetrate the armour. Armadillos behave similarly today.

8 The armour, spikes, and club of ankylosaurs were covered in keratin—the same substance that makes up our fingernails.

9 Ankylosaurs ate plants that grew low to the ground. They did not have the sophisticated dental batteries (hundreds of teeth packed together) of Edmontosaurus. Instead, they might have broken their food down by fermentation in their gut.

10 Ankylosaurs were not very common dinosaurs and they don’t seem to have formed herds. They were probably more solitary than Pachyrhinosaurus and Edmontosaurus.

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