Seasonality of mating and birth in wild black-and-white snub-nosed monkeys (<Emphasis Type="Italic">Rhinopithecus bieti</Emphasis>) at Xiaochangdu,Tibet |
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Authors: | Zuo-Fu Xiang Ken Sayers |
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Institution: | (1) College of Life Science and Technology, Central South University of Forestry and Technology, 498 Shaoshan Nanlu, 410004 Changsha, Hunan, People’s Republic of China;(2) Kunming Institute of Zoology, Chinese Academy of Sciences (CAS), Kunming, Yunnan, People’s Republic of China;(3) Department of Anthropology and School of Biomedical Sciences, Kent State University, Kent, OH 44242, USA |
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Abstract: | Data on mating and birth seasonality were recorded in wild black-and-white snub-nosed monkeys (Rhinopithecus bieti) at Xiaochangdu in the Honglaxueshan National Nature Reserve, Tibet. This represents one of the harshest habitats utilized
by any nonhuman primate. Variation in food availability, temperature, and photoperiod were examined to identify ecological
influences on the timing of reproductive events. Mating was observed to occur mostly between July and October and to coincide
with peak food availability and temperature, while births occurred between February and mid-March, the end of the period of
lowest food availability. This pattern may be an adjustment to the extreme environmental conditions characteristic of this
field site. |
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Keywords: | Birth seasonality Colobinae Mating Rhinopithecus bieti |
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