Discusses the diverse mammal population from the Oligocene and Miocene epochs, covering extinct marsupials of Australiaand North and South America, and Extinct Eutherian Mammals, with an examination of how mammals and birds gradually dominated the planet and evolved into modern forms.
Simple text and illustrations describe cave bears, how they lived, and how they became extinct. Includes a glossary, suggestions for further reading, related Web sites, and an index.
Traces the development of the first mammals, many of which grew to giant proportions in order to survive the cold temperatures and violent changes of the Ice Age.
Describes how and where cave bears lived, possible reasons for their extinction, and what kind of relationship might have existed between these huge creatures and prehistoric man.