Several knobs on a forearm bone from a 1.5-meter-long predatory dinosaur provide the first direct evidence of substantial feathers on a dinosaur that large.
FOSSIL PHRENOLOGY. Regularly spaced bumps on the 80-million-year-old fossil of a velociraptor (arrows, top), like those on the comparable bone of a modern turkey vulture (middle and bottom), probably supported substantial feathers.
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