The lonely northern cliffs from which scientists have pulled the bones of Alaska dinosaurs also hold the fossilized remains of birds.
A tiny bird tooth — 73 million years old — found in bluffs of the Colville River. Lauren Keller carried this sample to her presentation at the University of Alaska Fairbanks.
Keller is a graduate student working with the University of Alaska Museum of the North’s Patrick Druckenmiller, one of the researchers who has helped recover the bones of hadrosaurs and other dinosaurs from bluffs of the Colville River in northern Alaska. Keller is now on the job of finding out more about these prehistoric birds as she earns a master’s degree. She traveled last spring, a time up there most people would call winter, with subzero temperatures and snow as far as she could see, to the Colville River to dig for clues about what the area was like in the time of the dinosaurs.
Despite being so far north, the climate there was warmer than where Keller lives today in Fairbanks. The prehistoric North Slope supported a coniferous forest and many ferns. It was perhaps similar to what people in Juneau experience today, though much darker in winter.
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