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Preservation of ovarian follicles reveals early evolution of avian reproductive behaviour

Author

Listed:
  • Xiaoting Zheng

    (Institute of Geology and Paleontology, Linyi University, Linyi, Shandong 276000, China
    Tianyu Natural History Museum of Shandong, Pingyi, Shandong 273300, China)

  • Jingmai O’Connor

    (Key Laboratory of Vertebrate Evolution and Human Origin of the Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing 100044, China)

  • Fritz Huchzermeyer

    (Faculty of Veterinary Science, University of Pretoria, Private Bag X 04, Onderstepoort 0110, South Africa)

  • Xiaoli Wang

    (Institute of Geology and Paleontology, Linyi University, Linyi, Shandong 276000, China)

  • Yan Wang

    (Institute of Geology and Paleontology, Linyi University, Linyi, Shandong 276000, China)

  • Min Wang

    (Key Laboratory of Vertebrate Evolution and Human Origin of the Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing 100044, China)

  • Zhonghe Zhou

    (Key Laboratory of Vertebrate Evolution and Human Origin of the Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing 100044, China)

Abstract

Newly discovered fossils of primitive birds from China, preserved with ovarian follicles intact, show that birds only had one functioning ovary at any given time from a very early date, but that other features, such as skeletal and sexual maturity, remained very dinosaur-like.

Suggested Citation

  • Xiaoting Zheng & Jingmai O’Connor & Fritz Huchzermeyer & Xiaoli Wang & Yan Wang & Min Wang & Zhonghe Zhou, 2013. "Preservation of ovarian follicles reveals early evolution of avian reproductive behaviour," Nature, Nature, vol. 495(7442), pages 507-511, March.
    • Handle: RePEc:nat:nature:v:495:y:2013:i:7442:d:10.1038_nature11985
    DOI: 10.1038/nature11985
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