First Record of a Twin Birth in Chimpanzees of the Mahale Mountains National Park, Tanzania
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概要
- 論文の詳細を見る
Newborn chimpanzee (Pan troglodytes schweinfurthii) twins were observed in the Mahale Mountains National park. This is the first observation at Mahale of a multiple birth from 135 births recorded during 29 years of research at this site. On 22 January 1994, a ca.16-year-old female was first seen with her female twins. Each infant was estimated to be only two-thirds the normal size, but their combined weight and the double amount of attention that had to be given to their care made the mother's burden very heavy. She had to pay close attention to the infants even when she rested. The mother often stopped to rest every 10-20 m while traveling, and often walked bipedally for 2-3 m at a time, gripping the twins by the nape of their necks. She was never seen to lift the infants to her nipples although they often showed oral rooting for nipple behavior and vocalized in distress. When the mother was next seen on 29 January, her twins were gone.
- 京都大学の論文
著者
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MATSUMOTO ODA
Department of Zoology, Graduate School of Science, Kyoto University
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Matsumoto‐oda A
Center For Human Evolutonary Studies Rutgers University
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Akiko Matsumoto-oda
Primate Research Institute Kyoto University
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Akiko Matsumoto-oda
Department Of Zoology Faculty Of Science Kyoto University
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Matsumoto-Oda Akiko
Department of Welfare and Culture, Okinawa University
関連論文
- Sniffing behaviors in Mahale chimpanzees
- Extraordinarily low bone mineral density in an old female chimpanzee (Pan troglodytes schweinfurthii) from the Mahale Mountains National Park
- The Four Chimpanzee Skulls Collected in the Mahale Mountains, Tanzania
- First Record of a Twin Birth in Chimpanzees of the Mahale Mountains National Park, Tanzania
- Behavioral Seasonality in Mahale Chimpanzees
- Preliminary Study of Feeding Competition Between Baboons and Chimpanzees in the Mahale Mountains National Park, Tanzania