Troodon were small, smart, bird-like and feathered members of the theropod group of dinosaurs. Theropod is Greek for 'beast foot', Troodon for 'wounding tooth'. Troodontids are very close relatives of modern birds.
[{"glaciers": "n/a", "shrinking": "n/a", "heights": "n/a"}]
[{"glaciers": "n/a", "shrinking": "n/a", "heights": "n/a"}]