Contact: Sarah Yang
University of California - Berkeley
Caption: A red colobus monkey prepares to munch on the bark of Eucalyptus grandis, a non-native estrogenic tree in Kibale National Park. Greater consumption of estrogenic plants is linked to altered hormone levels and changes in behavior, according to a new UC Berkeley-led study.
Credit: Julie Kearney Wasserman
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Related news release: Estrogenic plants linked to altered hormones, possible behavior changes in monkeys