Orpheus Books
Q Files: Prehistoric: Dinosaur Species: Maiasaura
Maiasauras are duck-billed hadrosaurs that lived in North America during the Late Cretaceous Period 74 million years ago. Learn about their parenting behavior and babies, how they built their nests, and migration habits.
Canadian Museum of Nature
Canadian Museum of Nature: Hypacrosaurus
The large Hypacrosaurus dinosaur is detailed here by the Canadian Museum of Nature.