Page 104 - The Dinosaur Book and Other Wonders of the Prehistoric World (DK-Smithsonian)

Herds and packs

The age of dinosaurs Corythosaurus may have Lythronax pack hunting

used air passages in its crest
to make booming calls.

Corythosaurus alarm call

Attacked from behind, the
horned Centrosaurus didn’t
stand a chance of escaping.

A bone bed
of thousands
of Centrosaurus
fossils show they
may have lived
in a herd.

Dinosaurs did not live alone. We know concentrate on eating while others kept watch
from their fossilized footprints that many and sounded the alarm if danger threatened.
traveled in big groups, especially giant Vulnerable animals could also be protected
sauropods and other plant-eaters. Living in by several adults, and a dinosaur in a herd
a herd had many advantages for herbivores was less likely to be targeted than an animal
102 like Corythosaurus; some animals could on its own. Some meat-eaters may also have

US_102-103_Herds_and_packs.indd 102 10/04/18 3:34 PM