Never before seen in North America, the two Fighting Dinosaurs are a fierce Velociraptor that died apparently locked in combat with a plant-eating, shield-headed Protoceratops.

Visitors were introduced first to a striking diorama of the region now known as Ukhaa Tolgod, Mongolia, as it may have looked some 80 million years ago.

In this section, visitors could compare conclusions drawn from fossils discovered in the Gobi by Roy Chapman Andrews, the famous Museum expedition leader of the 1920 and 1930s, with results from research led in the 1990s by Drs. Norell and Novacek.

The third section of the exhibition focused on the exquisite preservation of fossils in the Gobi, which has provided scientists with some of the world's best fossil vertebrate specimens.

The exhibition's fourth section illustrated the diversity of life in the Gobi, how specific finds have increased our understanding of dinosaur growth, behavior, and variation, and how these specimens help scientists understand how groups of animals are related to one another, shedding light on the main lines of evolution.

Apparently locked in combat, these two fighting dinosaurs were remarkably preserved in this action pose some 80 million years ago.

This section of the exhibition examined the links between dinosaurs and birds, the continued search for more evidence to support this link, and the origin of feathers.

The exhibition's sixth section focused on the evolution of mammals, illustrating the evolution that led to the great diversity of modern mammals.

The seventh section of the exhibition discussed how paleontologists find fossil sites, how specimens are retrieved, and what happens back in the laboratory.

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