12 June 2009
Drawing illustrating the plants and animal life in the Eocene High Arctic. |
In a study released in June's issue of Geology, scientists at the University of Colorado at Boulder say through the analyses of carbon and oxygen isotopes in fossil teeth, they uncovered evidence that during the winter, mammals ate twigs, leaf litter and fungi.
Researchers in the field search for mammal fossils in the High Arctic in 2004. |
Eberle says the findings allow for better understanding and predictions for the impact of global warming today by going back to a period of global warming 53 million years ago.
The study by the University of Colorado at Boulder is published in the June issue of Geology.
To hear VOA's interview with Jaelyn Eberle click on the link adjacent to this story.