footprints, fossil

"Burrows are a refuge from predators, a safe home for raising young, or a tool to ambush prey. Burrows also protect animals against all types of natural disasters: fires, droughts, storms, meteorites, global warmings-and coolings. In a book filled with spectacularly diverse fauna... reveals this fascinating, hidden world that will continue to influence and transform life on this planet."--Publisher.

Describes the efforts of Roland Bird to investigate footprints left in various sites across the American Southwest by dinosaurs millions of years ago.

Explores the many different kinds of tracks dinosaurs left behind and what they reveal about the dinosaurs themselves.

Describes the formation and discovery of fossilized dinosaur footprints and how paleontologists use them to learn about the probable nature and behavior of the animals who made them.