Nicholas Bakalarfor National Geographic News
December 1, 2005
A 150-million-year-old fossil of Archaeopteryx, long considered the oldest bird, may put to rest any scientific doubt that dinosaurs—specifically the group of two-legged meat-eaters known as theropods—gave rise to modern birds. Until recently, the crow-size specimen was housed in a private collection. It is now owned by the Wyoming Dinosaur Center in Thermopolis.
The fossil is the ninth example of Archaeopteryx known to science. (A tenth specimen of a winged dinosaur from a closely related genus also exists.) All ten fossils were found in a limestone deposit near Solnhofen, Germany.
Full article on National Geographic
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