{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,30]],"date-time":"2026-01-30T09:22:10Z","timestamp":1769764930008,"version":"3.49.0"},"reference-count":54,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2011,10,28]],"date-time":"2011-10-28T00:00:00Z","timestamp":1319760000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["American J Primatol"],"published-print":{"date-parts":[[2012,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Researchers of capuchin monkeys have noted stereotyped body postures, facial expressions, and vocalizations that accompany copulations in this genus. Notable variations in these sexual behaviors are observed across capuchin species. Although several hypotheses exist to explain variation in the duration and vigor of sexual behaviors across species, there is no proposed explanation for variation in the forms of these behaviors. I hypothesized that the forms of sexual behaviors function as recognition signals of conspecific mates. Such signals are adaptive when F1 hybrids exhibit reduced fitness compared with nonhybrid offspring. Recent evidence from nonprimate taxa supports the existence of species recognition signals during mating. Using newly observed sexual behaviors for<jats:italic>Cebus albifrons<\/jats:italic>and a recent phylogeny of capuchins, I found significant support for a key prediction of the conspecific mate recognition hypothesis: evolutionary changes in sexual behaviors were associated with speciation. Given the resultant best model for evolution of sexual behaviors, I reconstructed the ancestral pattern of sexual behaviors for extant capuchin species (genera<jats:italic>Cebus<\/jats:italic>and<jats:italic>Sapajus<\/jats:italic>). This reconstruction suggests that the extreme female proceptivity of tufted capuchin monkeys may function to increase female reproductive choices in the context of sperm\u2010limited males (genus<jats:italic>Sapajus<\/jats:italic>). Am. J. Primatol. 74:287\u2013298, 2012. \u00a9 2011 Wiley Periodicals, Inc.<\/jats:p>","DOI":"10.1002\/ajp.21004","type":"journal-article","created":{"date-parts":[[2011,10,28]],"date-time":"2011-10-28T12:02:25Z","timestamp":1319803345000},"page":"287-298","source":"Crossref","is-referenced-by-count":18,"title":["Variations in sexual behavior among capuchin monkeys function for conspecific mate recognition: a phylogenetic analysis and a new hypothesis for female proceptivity in tufted capuchins"],"prefix":"10.1002","volume":"74","author":[{"given":"Luke J.","family":"Matthews","sequence":"first","affiliation":[{"name":"Department of Human Evolutionary Biology Harvard University Cambridge Massachusetts"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2011,10,28]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1420-9101.2010.02000.x"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1002\/evan.20251"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.1149683"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.1046\/j.1420-9101.2002.00472.x"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.0014-3820.2003.tb00285.x"},{"key":"e_1_2_6_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ympev.2009.02.004"},{"key":"e_1_2_6_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1558-5646.2008.00337.x"},{"key":"e_1_2_6_9_1","doi-asserted-by":"publisher","DOI":"10.1002\/ajp.20169"},{"key":"e_1_2_6_10_1","doi-asserted-by":"publisher","DOI":"10.1002\/ajpa.10083"},{"key":"e_1_2_6_11_1","doi-asserted-by":"publisher","DOI":"10.1006\/hbeh.1999.1545"},{"key":"e_1_2_6_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0065-3454(05)35003-0"},{"key":"e_1_2_6_13_1","doi-asserted-by":"publisher","DOI":"10.2307\/2388705"},{"key":"e_1_2_6_14_1","doi-asserted-by":"publisher","DOI":"10.1534\/genetics.107.074278"},{"key":"e_1_2_6_15_1","volume-title":"Inbreeding avoidance and the evolution of male mating strategies","author":"Escobar\u2010P\u00e1ramo P","year":"1999"},{"key":"e_1_2_6_16_1","volume-title":"The complete capuchin: the biology of the genus cebus","author":"Fragaszy DM","year":"2004"},{"key":"e_1_2_6_17_1","doi-asserted-by":"publisher","DOI":"10.1086\/588076"},{"key":"e_1_2_6_18_1","doi-asserted-by":"publisher","DOI":"10.1038\/293055a0"},{"key":"e_1_2_6_19_1","doi-asserted-by":"publisher","DOI":"10.1093\/bioinformatics\/17.8.754"},{"key":"e_1_2_6_20_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.288.5475.2349"},{"key":"e_1_2_6_21_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-0-387-78705-3_7"},{"key":"e_1_2_6_22_1","first-page":"367","volume-title":"Why be alpha male? 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