Caudipteryx (Greek for "tail feather"); pronounced caw-DIP-ter-ix
By Bob Strauss
Habitat: Lakesides and riverbeds of Asia
Historical Period:
Early Cretaceous (120-130 million years ago)
Size and Weight:
About 3 feet long and 20 pounds
Diet:
Plants
Distinguishing Characteristics:
Primitive feathers; birdlike beak and feet
About Caudipteryx:
If any single creature has conclusively settled the debate about the relationship between birds and dinosaurs, it's Caudipteryx. The fossils of this turkey-sized dinosaur reveal startlingly birdlike characteristics, including feathers, a short, beaked head, and distinctly avian feet. For all its resemblance to birds, though, paleontologists agree that Caudipteryx was unable to fly--making it an intermediate species between
land-bound dinosaurs and flying birds.
However, not all scientists think that Caudipteryx proves that birds descended from dinosaurs. One school of thought maintains that this creature evolved from a species of bird that gradually lost the ability to fly (the same way penguins gradually evolved from flying ancestors). As with all dinosaurs reconstructed from fossils, it's impossible to know (at least based on the evidence we now have) exactly where Caudipteryx stood on the dinosaur/bird spectrum.
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Photo: Caudipteryx (Luis Rey/www.luisrey.ndtilda.co.uk)
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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).