Hadrosaurs By Jenny and Karen



  • Their nests were 30 inches deep and 7 feet wide.
  • Each nest is 30 feet apart from one another.
  • About 15 eggs to each nest.
  • Babies are 18 inches when born.
  • They can grow up to 9-15 feet when full grown.
  • They have about 2,000 teeth when full grown.

About the "Duckbilled dinosaurs"

  • They are from the Cretaceous Period.
  • They are found in Asia, North America, and Europe.
  • They are the first dinosaur family found in North America.
  • They Lived 70 million years ago.

About the maiasaurs

  • There name means "good mama".
  • In Greek maia means "good mom" and saura means "female lizard".
  • Maiasaurs ate fruit and leaves.
  • Their number one enemy is tyrannosaurs rex because they were meateaters.

The Duckbilled Dinosaurs crests

  • They had crests to make noise when they blew through it.
  • Scientists think that they blew through it to communcate.
  • click here to here a dinosaurs crest.


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