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Tiniest Dinosaur in North America Found

from National Geographic News

The tiniest dinosaur in North America weighed less than a teacup Chihuahua, a new study says.

Seen above as an artist's reconstruction in front of a Tyrannosaurus rex skull at the Natural History Museum of Los Angeles County in California, the agile Fruitadens haagarorum was just 28 inches (70 centimeters) long and weighed less than two pounds (one kilogram).

The diminutive dinosaur likely darted among the legs of larger plant-eaters such as Brachiosaurus and predators such as Allosaurus about 150 million years ago, during the late Jurassic period.