Did dinosaurs, like modern reptiles, need to bask in the sun and heat to survive? Or were they warm-blooded, like the birds that would become their only surviving descendants — able to survive in the cold and dark? Erickson and Druckenmiller’s new species shows that the answer may be quite complicated.
A duck-billed dinosaur similar to Edmontosaurus has been found to live in a region with temperatures averaging in the low 40s F.
A large collection (over 10,000 bones) of Ugrunaaluk Kuukpikensis (“ancient grazer”) fossils were found in Alaska and may provide crucial clues that illuminate exactly how versatile these creatures were.
