{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,19]],"date-time":"2026-08-19T03:30:50Z","timestamp":1787110250829,"version":"build-2736575974"},"reference-count":47,"publisher":"Walter de Gruyter GmbH","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Folia Primatol."],"published-print":{"date-parts":[[2026,8,18]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Green monkeys (\n                    <jats:italic>Chlorocebus sabaeus<\/jats:italic>\n                    ) were introduced to the Caribbean in the 17th century. Since then, they have established isolated populations on the islands of Barbados, St. Kitts and St. Martin. This geographic distribution provides a unique opportunity to assess communication differences that may have arisen in these populations over this period of geographic isolation from the native West African population. Using an established vocal repertoire from monkeys living in Barbados, we investigated how call types may have diverged across these three islands. We collected vocal data from St. Kitts and St. Martin monkey populations and used Raven Pro to isolate vocalizations and collect acoustic measurements. We then statistically compared each call type to the same call type made in the other populations to identify areas of change. We found that the majority of call types did not drastically differ in acoustic parameters across islands, suggesting that vocal repertoires are largely conserved within species despite long periods of separation. However, some call types did exhibit differences in both acoustic parameters and degree of usage. For example, populations that experienced higher levels of human food provisioning made call types unique to these events. Further, the rates of call type usage varied across islands, illustrating an underlying dynamic of change in which monkey populations are shifting their vocal repertoires in response to variation within their environments. These findings emphasize the need for further investigation into how repertoires are impacted by other environmental, social, and anthropogenic factors.\n                  <\/jats:p>","DOI":"10.1163\/14219980-bja10095","type":"journal-article","created":{"date-parts":[[2026,8,19]],"date-time":"2026-08-19T03:04:07Z","timestamp":1787108647000},"page":"1-15","source":"Crossref","is-referenced-by-count":0,"title":["Green monkeys\u2019 repertoires maintain consistency on Caribbean islands despite centuries of geographic isolation"],"prefix":"10.1163","author":[{"ORCID":"https:\/\/orcid.org\/0009-0005-0355-2147","authenticated-orcid":true,"given":"Rose\u00a0M.","family":"Amrhein","sequence":"first","affiliation":[{"name":"Department of Biology, https:\/\/dx.doi.org\/5170The University of Louisville, Louisville, KY, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9796-2510","authenticated-orcid":true,"given":"Perri\u00a0K.","family":"Eason","sequence":"additional","affiliation":[{"name":"Department of Biology, https:\/\/dx.doi.org\/5170The University of Louisville, Louisville, KY, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0009-6131-6539","authenticated-orcid":true,"given":"Isabella\u00a0S.S.","family":"Bastien","sequence":"additional","affiliation":[{"name":"Department of Biology, https:\/\/dx.doi.org\/5170The University of Louisville, Louisville, KY, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-4479-4633","authenticated-orcid":true,"given":"Hunter\u00a0M.A.","family":"Huffman","sequence":"additional","affiliation":[{"name":"Department of Biology, https:\/\/dx.doi.org\/5170The University of Louisville, Louisville, KY, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"374","reference":[{"key":"R000001","series-title":"Behaviour","first-page":"227","article-title":"Observational study of behavior: Sampling methods","volume":"49","author":"Altmann\u00a0J","unstructured":"Altmann\u00a0J (1974). 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Variation in communicative complexity in relation to social structure and organization in non-human primates. Philosophical Transactions of the Royal Society London Series B: Biological Sciences 377: 20210306. DOI: 10.1098\/rstb.2021.0306."},{"key":"R000004","series-title":"Animal Behaviour","first-page":"1793","article-title":"Founder effect and cultural evolution of songs in an isolated population of chaffinches, Fringilla coelebs, in the Chatham Islands","volume":"35","author":"Baker\u00a0AJ","unstructured":"Baker\u00a0AJ, Jenkins\u00a0PF (1987). Founder effect and cultural evolution of songs in an isolated population of chaffinches, Fringilla coelebs, in the Chatham Islands. Animal Behaviour 35: 1793\u20131803. 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DOI: 10.1177\/0963721420979580."},{"key":"R000019","series-title":"Philosophical Transactions of the Royal Society London Series B: Biological Sciences","first-page":"20190045","article-title":"Towards a new taxonomy of primate vocal production learning","volume":"375","author":"Fischer\u00a0J","unstructured":"Fischer\u00a0J, Hammerschmidt\u00a0K (2020). Towards a new taxonomy of primate vocal production learning. Philosophical Transactions of the Royal Society London Series B: Biological Sciences 375: 20190045. DOI: 10.1098\/rstb.2019.0045."},{"key":"R000020","series-title":"iScience","article-title":"Population-specific call order in chimpanzee greeting vocal sequences","volume":"25","author":"Girard-Buttoz\u00a0C","unstructured":"Girard-Buttoz\u00a0C, Bortolato\u00a0T, Laporte\u00a0M, Grampp\u00a0M, Zuberb\u00fchler\u00a0K, Wittig\u00a0RM, Crockford\u00a0C (2022). Population-specific call order in chimpanzee greeting vocal sequences. iScience 25: 104851. 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DOI: 10.1163\/1568539X-bja10199."},{"key":"R000042","series-title":"Behavioral Ecology and Sociobiology","first-page":"1","article-title":"Song of my people: Dialect differences among sympatric social groups of short-finned pilot whales in Hawai\u2019i","volume":"72","author":"Van Cise\u00a0AM","unstructured":"Van Cise\u00a0AM, Mahaffy\u00a0SD, Baird\u00a0RW, Mooney\u00a0TA, Barlow\u00a0J (2018). Song of my people: Dialect differences among sympatric social groups of short-finned pilot whales in Hawai\u2019i. Behavioral Ecology and Sociobiology 72: 1\u201313. DOI: 10.1007\/s00265-018-2596-1."},{"key":"R000043","series-title":"Current Biology","first-page":"495","article-title":"Vocal learning in the functionally referential food grunts of chimpanzees","volume":"25","author":"Watson\u00a0SK","unstructured":"Watson\u00a0SK, Townsend\u00a0SW, Schel\u00a0AM, Wilke\u00a0C, Wallace\u00a0EK, Cheng\u00a0L, West\u00a0V, Slocombe\u00a0KE (2015). 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