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North America’s smallest dino predator

Sickle-clawed creature was likely no larger than a chicken

3:57pm, March 16, 2009

Paleontologists rummaging through museum drawers in Canada have discovered the remains of North America’s smallest carnivorous dinosaur — a theropod about the size of a chicken.

The first fossils of the 1.9-kilogram Hesperonychus elizabethae, which lived about

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