Name:
Falcarius (Greek for "sickle bearer"); pronounced fal-cah-RYE-us
Habitat:
Woodlands of North America
Historical Period:
Early Cretaceous (130-125 million years ago)
Size and Weight:
About 13 feet long and 500-1,000 pounds
Diet:
Plants
Distinguishing Characteristics:
Long tail and neck; long claws on hands
About Falcarius:
In 2005, paleontologists unearthed a fossil treasure trove in Utah, the remains of hundreds of previously unknown, medium-sized dinosaurs with long necks and long, clawed hands. Analysis of these bones revealed something extraordinary: Falcarius, as the genus was soon named, was a
theropod, technically a
therizinosaur, that had evolved in the direction of a vegetarian lifestyle. (The giveaways are this dinosaur's teeth, which were adapted to tearing vegetation, and its unusually large gut.)
Like other small- to medium-sized theropods, Falcarius is believed to have sported a coat of feathers, and may represent yet another link in the long chain connecting
dinosaurs and birds. Its closest relative was another bizarre dinosaur, the larger (and even goofier-looking)
Therizinosaurus.
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Bob Strauss is a freelance writer and book author; one of his specialties is explaining scientific concepts and discoveries to both a lay and professional audience.
Bob Strauss is the author of two best-selling question-and-answer books that range across the expanse of science, biology, history and culture: The Big Book of What, How and Why (Main Street, 2005) and Who Knew? Hundreds & Hundreds of Questions & Answers for Curious Minds (Sterling Innovation, 2007).