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Deinonychus - An intelligent carnivorous dinosaur from the Cretaceous period

 

Deinonychus - An ancestor of modern birds

Name:

Deinonychus (terrible claw)

Length:

3 metres

Height:

1.5 metres

Weight:

75 - 80 kgs

Range:

Fossils have been found in the western part of modern day North America

Feeding:

other animals

Period:

early Cretaceous (over 100 million years ago)

Mesozoic Era
Triassic Period Jurassic Period Cretaceous Period
Early - Middle Late Early Middle Late Early Middle Late

248

227

206 180 154 144 127 89

65

 

Deinonychus

 

Deinonychus was a bipedal carnivorous dinosaur that lived about 100 million years ago during the early part of the Cretaceous period. It has been suggested that they hunted in packs, which would have required a significant amount of intelligence. Pack behaviour is associated with small family groups, which indicates they looked after their eggs and raised their young for a short period after hatching, much the same as modern birds do. This type of dinosaur is an ancient relative of birds and may even have had feathers.

Large eyes, long talons, high speed and manoeuvrability would have made this creature extremely deadly; and in addition it had two large claws, one on each foot, which it could retract whilst running. It is thought that these claws were used to puncture blood vessels in its prey so that they bled to death.

Deinonychus - An agile killer dinosaur related to the raptors
Above - There's a killer on the loose. Deinonychus emerges from the undergrowth looking like it needs some TLC; not the sort of occupation for the faint hearted!

A sickle claw on each foot for creating puncture wounds

Left - It is uncertain what colour the dinosaurs were. By comparing them with modern animals we can speculate that predators like Deinonychus were camouflaged to blend in with their surroundings.

 

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