What is an Apatosaurus Apatosaurus walked next to a forest There was so much to eat With dull teeth it grabbed leaves off trees It broke off a branch and swallowed it whole Then it lifted its long neck Now the dinosaur could reach the treetops 4
5 Apatosaurus munched on leaves from the tops of trees
How do we know how Apatosaurus walked 6 Scientists think Apatosaurus held its tail up when it walked
Apatosaurus was more than 70 feet 21 m long That’s as long as two school buses Its tail was longer than its neck Its legs were like tree trunks It moved like an elephant walking with straight legs It kept its tail up Scientists study fossils of footprints They are called trackways Scientists did not find tail marks with Apatosaurus prints 7