Estrus Cycle Asynchrony in Wild Female Chimpanzees, Pan troglodytes schweinfurthii
Although estrous synchrony has been reported in a number of mammalian species, most often among primates, methodological and analytical problems make it difficult to interpret these results. We developed a novel estrous synchrony index and employed a randomization procedure to analyze long-term obse...
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| Veröffentlicht in: | Behavioral ecology and sociobiology 2007-03, Vol.61 (5), p.661-668 |
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| container_title | Behavioral ecology and sociobiology |
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| creator | Matsumoto-Oda, Akiko Hamai, Miya Hayaki, Hitosige Hosaka, Kazuhiko Hunt, Kevin D. Kasuya, Eiiti Kawanaka, Kenji Mitani, John C. Takasaki, Hiroyuki Takahata, Yukio |
| description | Although estrous synchrony has been reported in a number of mammalian species, most often among primates, methodological and analytical problems make it difficult to interpret these results. We developed a novel estrous synchrony index and employed a randomization procedure to analyze long-term observations of female chimpanzee (Pan troglodytes schweinfurthii) estrous cycles at the Mahale Mountains National Park, Tanzania. Our results revealed that female chimpanzees at Mahale avoid synchronizing their estrous periods with each other. We also found that birthrates decreased as the breeding sex ratio increased. We suggest that estrous asynchrony decreases female-female competition for mates. Asynchrony may also reduce the potential for male sexual coercion by nonpreferred mating partners. |
| doi_str_mv | 10.1007/s00265-006-0287-9 |
| format | Article |
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We developed a novel estrous synchrony index and employed a randomization procedure to analyze long-term observations of female chimpanzee (Pan troglodytes schweinfurthii) estrous cycles at the Mahale Mountains National Park, Tanzania. Our results revealed that female chimpanzees at Mahale avoid synchronizing their estrous periods with each other. We also found that birthrates decreased as the breeding sex ratio increased. We suggest that estrous asynchrony decreases female-female competition for mates. Asynchrony may also reduce the potential for male sexual coercion by nonpreferred mating partners.</description><identifier>ISSN: 0340-5443</identifier><identifier>EISSN: 1432-0762</identifier><identifier>DOI: 10.1007/s00265-006-0287-9</identifier><language>eng</language><publisher>Heidelberg: Springer-Verlag</publisher><subject>Animal populations ; Baboons ; Birth rate ; Birth rates ; Breeding ; Chimpanzees ; Estrus ; Female animals ; Male animals ; Mating behavior ; Monkeys & apes ; Mountains ; National parks ; Pan troglodytes ; Pan troglodytes schweinfurthii ; Primates ; Sex ratio ; Swelling</subject><ispartof>Behavioral ecology and sociobiology, 2007-03, Vol.61 (5), p.661-668</ispartof><rights>Copyright 2007 Springer-Verlag Berlin Heidelberg</rights><rights>Springer-Verlag 2007</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c391t-4ba210e0cb5049dc839ec7bd69ca27462642eccf7eb50b42ad0ac0691ce885043</citedby><cites>FETCH-LOGICAL-c391t-4ba210e0cb5049dc839ec7bd69ca27462642eccf7eb50b42ad0ac0691ce885043</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/25511627$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/25511627$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>315,781,785,804,27929,27930,58022,58255</link.rule.ids></links><search><creatorcontrib>Matsumoto-Oda, Akiko</creatorcontrib><creatorcontrib>Hamai, Miya</creatorcontrib><creatorcontrib>Hayaki, Hitosige</creatorcontrib><creatorcontrib>Hosaka, Kazuhiko</creatorcontrib><creatorcontrib>Hunt, Kevin D.</creatorcontrib><creatorcontrib>Kasuya, Eiiti</creatorcontrib><creatorcontrib>Kawanaka, Kenji</creatorcontrib><creatorcontrib>Mitani, John C.</creatorcontrib><creatorcontrib>Takasaki, Hiroyuki</creatorcontrib><creatorcontrib>Takahata, Yukio</creatorcontrib><title>Estrus Cycle Asynchrony in Wild Female Chimpanzees, Pan troglodytes schweinfurthii</title><title>Behavioral ecology and sociobiology</title><description>Although estrous synchrony has been reported in a number of mammalian species, most often among primates, methodological and analytical problems make it difficult to interpret these results. 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| ispartof | Behavioral ecology and sociobiology, 2007-03, Vol.61 (5), p.661-668 |
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| language | eng |
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| source | SpringerNature Journals; JSTOR Archive Collection A-Z Listing |
| subjects | Animal populations Baboons Birth rate Birth rates Breeding Chimpanzees Estrus Female animals Male animals Mating behavior Monkeys & apes Mountains National parks Pan troglodytes Pan troglodytes schweinfurthii Primates Sex ratio Swelling |
| title | Estrus Cycle Asynchrony in Wild Female Chimpanzees, Pan troglodytes schweinfurthii |
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