Prehistoric Mammal Had Diet of Dinosaurs ; Fossil Find Revises Idea of Who Ate Whom

Summary

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Scientists working in a rich fossil field in China have unearthed the skeleton of an opossum-sized mammal whose stomach contained the remains of a baby dinosaur, a startling finding that sheds new light on the struggle for survival 130 million years ago.

Until now, science had viewed the first mammals solely as tiny shrew-like creatures that lived in the shadow of the dinosaurs. By day, these early mammals hid in caves; under cover of darkness they scurried forth to hunt insects.

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Prehistoric Mammal Had Diet of Dinosaurs ; Fossil Find Revises Idea of Who Ate Whom

Only when the dinosaurs died off was it safe for the original mammals to go outdoors, whereupon they ...

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