News From the Field
Study signals dramatic change in way ancient diets are calculated
June 27, 2018
This material is available primarily for archival purposes. Telephone numbers or other contact information may be out of date; please see current contact information at media contacts.Knowing what extinct animals ate has long been determined by analyzing carbon isotopes locked inside fossil teeth. For two decades, a key isotope value in these equations has been assumed to be the same for all plant-eating mammals, but new research led by the American Museum of Natural History and Columbia University contradicts that assumption, revealing that the value changes with body size. Credit: © AMNH/D. Finnin Full Story
American Museum of Natural History
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