Hypsibema is a Hadrosaur from Eastern North America. It is one of the rarest of species of Hadrosaurs becaue during the Plestocene epoch the ice age molded and disterved the Eastern North America. So many of the fossils would have been lost to history. Hypsibema is considered to be a cattle of the Cretaceous, it had multiply teeth compared to carnivores, this allowed it to grind the vegitation that existed in the area. Hypsibema is a incredable fast runner and is similar to a track runner.This was up to 50 ft and 10 tons.