Prehistoric Beasts (April 2003)
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Cover; Prehistoric Beasts; by Staff Editor; 1 Page(s)

Table of Contents; Prehistoric Beasts; by Staff Editor; 1 Page(s)

Breathing Life into Tyrannosaurus rex; Prehistoric Beasts; by Gregory M. Erickson; 6 Page(s)

By analyzing previously overlooked fossils and by taking a second look at some old finds, paleontologists are providing the first glimpses of the actual behavior of the tyrannosaurs (originally published September 1999)

The Teeth of the Tyrannosaurs; Prehistoric Beasts; by William L. Abler; 2 Page(s)

Their teeth reveal aspects of their hunting and feeding habits (originally published September 1999)

Madagascar's Mesozoic Secrets; Prehistoric Beasts; by John J. Flynn and Andr¿ R. Wyss, sidebar by Kate Wong; 8 Page(s)

The world's fourth-largest island divulges fossils that could revolutionize scientific views on the origins of dinosaurs and mammals (originally published February 2002)

Rulers of the Jurassic Seas; Prehistoric Beasts; by Ryosuke Motani; 8 Page(s)

Fish-shaped reptiles called ichthyosaurs reigned over the oceans for as long as dinosaurs roamed the land, but only recently have paleontologists discovered why these creatures were so successful (originally published December 2000)

The Origin of Birds and Their Flight; Prehistoric Beasts; by Kevin Padian and Luis M. Chiappe; 10 Page(s)

Anatomical and aerodynamic analyses of fossils and living birds show that birds evolved from small, predatory dinosaurs that lived on the ground (originally published February 1998)

The Mammals That Conquered the Seas; Prehistoric Beasts; by Kate Wong; 9 Page(s)

New fossils and DNA analyses elucidate the remarkable evolutionary history of whales (originally published May 2002)

Killer Kangaroos and Other Murderous Marsupials; Prehistoric Beasts; by Stephen Wroe; 7 Page(s)

Australian mammals were not all as cute as koalas. Some were as ferocious as they were bizarre (originally published May 1999)