Duck-billed dinosaurs endured long, dark polar winters

Researchers from the University of Cape-Town, the Museum of Nature and Science in Dallas, and Temple University have discovered that duck-billed dinosaurs endured long, dark polar winters. These dinosaurs lived within Arctic latitudes approximately 70 million years ago, and rather than migrating south for the harsh winters, they simply stayed put. The paper, entitled "Hadrosaurs Were Perennial Polar Residents," was published in the journal The Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology. The study was funded by a grant from the National Science Foundation (NSF). Anthony Fiorillo, a paleontologist at the Museum of Nature and Science, dug up Cretaceous Period fossils in Alaska's North Slope. While some of the bones found were those of the horned dinosaur Pachyrhinosaurus, most of them were the bones of the duck-billed herbivore, Edmontosaurus. In order to determine how these dinosaurs lived in such cold, polar regions, Fiorillo took a microscopic look at the structures of the din

Duck-billed dinosaurs endured long, dark polar winters

Duck-billed dinosaurs that lived within Arctic latitudes approximately 70 million years ago likely endured long, dark polar winters instead of migrating to more southern latitudes, a recent ...

Wed 11 Apr 12 from Phys.org

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How Did Duck Billed Dinosaurs Get Through Dark, Polar Winters?

Researchers from the University of Cape-Town, the Museum of Nature and Science in Dallas, and Temple University have discovered that duck-billed dinosaurs endured long, dark polar winters. These ...

Thu 12 Apr 12 from RedOrbit

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