Type (Class):

Hadrosaur (duck-billed dinosaur)

Adult Length:

~ 25 feet

Adult Weight:

~ 5 tons

Lived in:


Alive During:

Late Cretaceous Period

Food Source:

Herbivore (plant-eater)

Fun Fact:

The discovery of Maiasaura in the late 1970’s revealed the first ever evidence for parental care in dinosaurs. In northern Montana, thousands of bones of Maiasaura have been found together. Maisaura is known from the fossils of eggs, babies, juveniles, and adults and is the state fossil of Montana!

Displayed along the Montana Dinosaur Trail:

Museum of the Rockies, Old Trail Museum, Two Medicine Dinosaur Center, Rudyard Depot Museum, H. Earl Clack Museum