Contact: Steve Koppes
University of Chicago
Caption: Confuciusornis, an early bird, lived during the early Cretaceous period approximately 120 million years ago. University of Chicago graduate student Jonathan Mitchell has collaborated with Field Museum paleontologist Peter Makovicky on a new study about bird evolution during the Cretaceous.
Credit: Allison Elaine Johnson
Usage Restrictions: News organizations may use this image in connection with reports about the research of Jonathan Mitchell and Peter Makovicky.
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