Deinonychus belongs to a family of dinosaurs called dromaeosaurs.

Known from more than nine skeletons, Deinonychus is the dinosaur that sparked the debate about whether dinosaurs were warm-blooded or cold-blooded. Deinonychus had a killer claw on its hind foot to slash its prey and a stiff and straight tail to help balance its light, bird-like body.

Dino Facts

  • Pronounced: die-non-ee-kuss
  • Means: Terrible claw
  • Size: 10 ft (3 m)
  • Where: North America (Montana, Utah, Wyoming)
  • When: Early Cretaceous
  • Diet: Carnivorous (other dinosaurs)