Troodon was a relatively small, bird-like dinosaurs that lived during the Late Cretaceous period and one of the first North American dinosaurs to receive a name.

Troodon had the largest brains for its size of any dinosaur, being comparable to that of a modern emu. It also had large eyes and a narrow snout filled with small, curved, and coarsely serrated teeth.

Dino Facts

  • Pronounced: TROH-o-don
  • Means: Wounding tooth
  • Size: 11.5 ft (3.5 m)
  • Where: North America (Alberta, Montana, Wyoming)
  • When: Late Cretaceous
  • Diet: Carnivorous (small vertebrates, mammals)