The young male
Pachycephalosaurus
had been shoving
and jostling each other for some time. Each was
determined to show the other that he was stronger.
24
Pachycephalosaurus
Say it:
Pak-ee-sef-ah-lo-SAW-rus
Edmontosaurus
Group: Ornithopods
Diet: Plants
When it lived: Late Cretaceous
Where it lived: North America
(USA, Canada)
Length: 43 feet (13 meters)
Height: 16 feet (5 meters)
Weight: 3.3–4.4 tons
(3–4 tonnes)
