Sahara yields second-largest dinosaur

Excavations near an Egyptian oasis have unearthed the bones of an animal that probably could rank as the second-most-massive dinosaur known.

Fossils found nearby indicate that the four-legged behemoth roamed through shallow mangrove swamps similar to those found today along the western edge of Florida’s Everglades.

The long-necked herbivore’s humerus-the bone that connects the animal’s shoulder to its front knee-was more than 51/2 feet long, says Joshua B.