Spontaneous Ejaculation in a Wild Indo-Pacific Bottlenose Dolphin (Tursiops aduncus) |
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| Authors: | Tadamichi Morisaka Mai Sakai Kazunobu Kogi Akane Nakasuji Kasumi Sakakibara Yuria Kasanuki Motoi Yoshioka |
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| Institution: | 1. Wildlife Research Center of Kyoto University, Kyoto, Japan.; 2. Japan Society for the Promotion of Science, Tokyo, Japan.; 3. Mikura Island Tourist Information Center, Tokyo, Japan.; 4. Graduate School of Agriculture, Tokyo University of Agriculture and Technology, Tokyo, Japan.; 5. Graduate School of Bioresources, Mie University, Mie, Japan.; Hokkaido University, Japan, |
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| Abstract: | Spontaneous ejaculation, which is defined as the release of seminal fluids without apparent sexual stimulation, has been documented in boreoeutherian mammals. Here we report spontaneous ejaculation in a wild Indo-Pacific bottlenose dolphin (Tursiops aduncus), and present a video of this rare behavior. This is the first report of spontaneous ejaculation by an aquatic mammal, and the first video of this behavior in animals to be published in a scientific journal. |
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