Page 122 - The Dinosaur Book and Other Wonders of the Prehistoric World (DK-Smithsonian)

Seventy-five million years ago, the deserts
PROTECTIVE WINGS of southern Mongolia were just as dry as
they are today, with extensive sand dunes and few rivers. Despite this, they were home to several
dinosaurs. They included the ostrichlike Citipati—famous among scientists for their amazing fossils,
which show that these dinosaurs incubated their eggs like birds.

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