Word: triceratopses
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Dates: during 1990-1999
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A cool and misty dawn, circa 78 million B.C. A lone triceratops interrupts a leisurely meal of ferns and twigs to glance around uneasily. Though the 11-ton creature is an intellectual lightweight, it senses the danger lurking in the surrounding forest. Suddenly, out from behind a tree lumbers one...
Wait! Time out! There is something wrong with this picture. Nearly everything, in fact. Two decades ago, paleontologists might have signed off on such a scenario, but not today. An avalanche of new evidence -- from fossilized bones, dinosaur nests, eggs and even footprints, analyzed with such high-tech equipment as...
Take sauropods, for example, the four-legged, long-necked giants that flourished in the Jurassic, the middle period of the dinosaurs' reign, which lasted from 208 million to 144 million years ago. These largest of all dinosaurs include Brontosaurus (an out-of-favor name these days: call them Apatosaurus, or...
Whatever the reason, says Horner, "we have pretty good evidence that all duck-billed dinosaurs were nest-bound and nurturing. We also see a lot of herding behavior among hadrosaurs as well as ceratopsians," a group that includes Triceratops. In fact, claims Horner, "most of the herbivores cared for their...
In place of the familiar panoramas of flesh-ripping Godzillas, Horner describes the most common dinosaurs as "the cows of the Mesozoic." He has found the remnants of one dinosaur herd -- an estimated 10,000 waddling, plant-eating duckbills. Even Tyrannosaurus rex seems less terrible in his revisionist view. Horner...