First Children Encyclopedia

(Marvins-Underground-K-12) #1

What did they eat?


One hadrosaur fossil contained


the remains of its last


meal: bark, pine cones,


conifer needles,


and branches.


This tough


plant matter


is particularly


hard to digest.


Did they


have beaks?


That duck-like


beak contained


tightly packed


rows of teeth to


grind vegetation.


Chew and move on


A hadrosaur such as


Corythosaurus would have


roamed in huge herds,


grazing on leaves, pine


needles, and ferns.


A hadrosaur had
more than 1,000
teeth (though not
all were in use at
the same time!).

and birds have crests. A number of lizards^195


Cretaceous cows


Corythosaurus

Fossilized
hadrosaur teeth
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