Primates最新文献

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Water scooping: tool use by a wild bonobo (Pan paniscus) at LuiKotale, a case report. 舀水:LuiKotale 野生倭黑猩猩(Pan paniscus)使用工具的案例报告。
IF 1.7 4区 生物学
Primates Pub Date : 2024-05-01 Epub Date: 2024-03-15 DOI: 10.1007/s10329-024-01121-z
Sonya Pashchevskaya, Barbara Fruth, Gottfried Hohmann
{"title":"Water scooping: tool use by a wild bonobo (Pan paniscus) at LuiKotale, a case report.","authors":"Sonya Pashchevskaya, Barbara Fruth, Gottfried Hohmann","doi":"10.1007/s10329-024-01121-z","DOIUrl":"10.1007/s10329-024-01121-z","url":null,"abstract":"<p><p>Tool use diversity is often considered to differentiate our two closest living relatives: the chimpanzee (Pan troglodytes) and the bonobo (P. paniscus). Chimpanzees appear to have the largest repertoire of tools amongst nonhuman primates, and in this species, many forms of tool use enhance food and water acquisition. In captivity, bonobos seem as adept as chimpanzees in tool use complexity, including in the foraging context. However, in the wild, bonobos have only been observed engaging in habitual tool use in the contexts of comfort, play, self-directed behaviour and communication, whilst no tool-assisted food acquisition has been reported. Whereas captive bonobos use tools for drinking, so far, the only report from the wild populations comes down to four observations of moss sponges used at Lomako. Here, we present the first report of tool use in the form of water scooping by a wild bonobo at LuiKotale. An adult female was observed and videotaped whilst using an emptied Cola chlamydantha pod to scoop and drink water from a stream. We discuss the conditions for such observations and the importance of looking out for rare behaviours and attempt to put the observation into the context of the opportunity versus necessity hypotheses. By adding novel information on tool use, our report contributes to the ongoing efforts to differentiate population-specific traits in the behavioural ecology of the bonobo.</p>","PeriodicalId":20468,"journal":{"name":"Primates","volume":" ","pages":"145-150"},"PeriodicalIF":1.7,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11018684/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140137195","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Savanna chimpanzee (Pan troglodytes) crop feeding at Dindefelo, Senegal: challenges and implications for conservation 塞内加尔 Dindefelo 的热带稀树草原黑猩猩(Pan troglodytes)农作物取食:保护工作面临的挑战和影响
IF 1.7 4区 生物学
Primates Pub Date : 2024-04-30 DOI: 10.1007/s10329-024-01125-9
Laia Dotras, Amanda Barciela, Manuel Llana, Jordi Galbany, R. Adriana Hernandez-Aguilar
{"title":"Savanna chimpanzee (Pan troglodytes) crop feeding at Dindefelo, Senegal: challenges and implications for conservation","authors":"Laia Dotras, Amanda Barciela, Manuel Llana, Jordi Galbany, R. Adriana Hernandez-Aguilar","doi":"10.1007/s10329-024-01125-9","DOIUrl":"https://doi.org/10.1007/s10329-024-01125-9","url":null,"abstract":"<p>Chimpanzees (<i>Pan troglodytes</i>) are categorized as Endangered by the International Union for Conservation of Nature, and habitat loss due to conversion of land for agriculture is one of the major threats to wild populations of this species. This challenging scenario can lead to negative human-chimpanzee interactions, including crop feeding. Chimpanzees consume crops across their geographical range, although little is known about this behavior in savanna habitats. Here we provide new evidence of crop feeding by savanna chimpanzees. We conducted our observations at Dindefelo, a community nature reserve in southeastern Senegal. The chimpanzees were observed to feed on mango (<i>Mangifera indica</i>) and also on baobab (<i>Adansonia digitata</i>), a wild species considered a crop by local people when found in and around villages. Although local people use the fruits of these species for food and income, they tolerated crop-feeding events until recently. In 2023, a case of harassment of a crop-feeding chimpanzee in a mango orchard was witnessed, and four days later a chimpanzee corpse was found at the same place. We conclude that habitat conversion into agricultural fields, uncontrolled bush fires and extraction of wild fruits are the important factors influencing crop-feeding events at Dindefelo. Our findings highlight the need to better understand human-chimpanzee interactions in the anthropogenic landscape of Dindefelo to help mitigate negative attitudes and behaviors towards chimpanzees.</p>","PeriodicalId":20468,"journal":{"name":"Primates","volume":"43 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2024-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140829348","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Twinning in wild, endangered lion-tailed macaques Macaca silenus in the Anamalai Hills of the Western Ghats, India 印度西高止山阿纳马莱山野生濒危狮尾猕猴的孪生现象
IF 1.7 4区 生物学
Primates Pub Date : 2024-04-13 DOI: 10.1007/s10329-024-01129-5
Ashni Kumar Dhawale, Anindya Sinha
{"title":"Twinning in wild, endangered lion-tailed macaques Macaca silenus in the Anamalai Hills of the Western Ghats, India","authors":"Ashni Kumar Dhawale, Anindya Sinha","doi":"10.1007/s10329-024-01129-5","DOIUrl":"https://doi.org/10.1007/s10329-024-01129-5","url":null,"abstract":"<p>Many primate species show various behavioural and ecological adaptations to provisioning, one of which is the unusual occurrence of twins. Here, we report observations on two pairs of surviving twins in lion-tailed macaques <i>Macaca silenus</i> in the Anamalai Hills of the Western Ghats, India. The Puthuthottam population of lion-tailed macaques has historically been restricted to a rainforest fragment measuring 92 ha, situated adjacent to human settlements. Over the last 10 years, however, several groups from this population have begun to directly interact with the local human communities, visiting settlements at a rate of 0.52 events/day and exploiting various anthropogenic food resources. We followed and opportunistically collected behavioural ad libitum data on two sets of twins for a year, between March 2019 and March 2020. Both of the mothers were primarily terrestrial, although the mother with the younger set of twins also used the tree canopy and other precarious substrates, such as cables. Although two previous cases of twinning have been reported in this population, one in the late 1990s and one between 2000 and 2002, neither of those sets of twins survived beyond a few weeks, with at least one infant in each pair dying of unknown causes. We discuss, but discount, the possibility that one of the infants in either set of twins was an adoptee. Our observations indicate that some lion-tailed macaque twins can survive under free-ranging conditions if they receive adequate care from their biological mother or another female. Our findings also provide further evidence of increased rates of twinning as a consequence of dietary changes in synanthropic non-human primate populations.</p>","PeriodicalId":20468,"journal":{"name":"Primates","volume":"356 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2024-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140602918","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reduction of bitter taste receptor gene family in folivorous colobine primates relative to omnivorous cercopithecine primates 相对于杂食性栉猴灵长类动物,食叶性疣猴灵长类动物的苦味受体基因家族减少了
IF 1.7 4区 生物学
Primates Pub Date : 2024-04-11 DOI: 10.1007/s10329-024-01124-w
Min Hou, Muhammad Shoaib Akhtar, Masahiro Hayashi, Ryuichi Ashino, Akiko Matsumoto-Oda, Takashi Hayakawa, Takafumi Ishida, Amanda D. Melin, Hiroo Imai, Shoji Kawamura
{"title":"Reduction of bitter taste receptor gene family in folivorous colobine primates relative to omnivorous cercopithecine primates","authors":"Min Hou, Muhammad Shoaib Akhtar, Masahiro Hayashi, Ryuichi Ashino, Akiko Matsumoto-Oda, Takashi Hayakawa, Takafumi Ishida, Amanda D. Melin, Hiroo Imai, Shoji Kawamura","doi":"10.1007/s10329-024-01124-w","DOIUrl":"https://doi.org/10.1007/s10329-024-01124-w","url":null,"abstract":"<p>Bitter taste perception is important in preventing animals from ingesting potentially toxic compounds. Whole-genome assembly (WGA) data have revealed that bitter taste receptor genes (<i>TAS2R</i>s) comprise a multigene family with dozens of intact and disrupted genes in primates. However, publicly available WGA data are often incomplete, especially for multigene families. In this study, we employed a targeted capture (TC) approach specifically probing <i>TAS2R</i>s for ten species of cercopithecid primates with diverse diets, including eight omnivorous cercopithecine species and two folivorous colobine species. We designed RNA probes for all <i>TAS2R</i>s that we modeled to be intact in the common ancestor of cercopithecids (“ancestral-cercopithecid <i>TAS2R</i> gene set”). The TC was followed by short-read and high-depth massive-parallel sequencing. TC retrieved more intact <i>TAS2R</i> genes than found in WGA databases. We confirmed a large number of gene “births” at the common ancestor of cercopithecids and found that the colobine common ancestor and the cercopithecine common ancestor had contrasting trajectories: four gene “deaths” and three gene births, respectively. The number of intact <i>TAS2R</i> genes was markedly reduced in colobines (25–28 detected via TC and 20–26 detected via WGA analysis) as compared with cercopithecines (27–36 via TC and 19–30 via WGA). Birth or death events occurred at almost every phylogenetic-tree branch, making the composition of intact genes variable among species. These results show that evolutionary change in intact <i>TAS2R</i> genes is a complex process, refute a simple general prediction that herbivory favors more <i>TAS2R</i> genes, and have implications for understanding dietary adaptations and the evolution of detoxification abilities. </p>","PeriodicalId":20468,"journal":{"name":"Primates","volume":"50 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2024-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140570136","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The off-the-record stories primatologists tell each other 灵长类动物学家之间的秘密故事
IF 1.7 4区 生物学
Primates Pub Date : 2024-04-08 DOI: 10.1007/s10329-024-01130-y
Bernard Thierry
{"title":"The off-the-record stories primatologists tell each other","authors":"Bernard Thierry","doi":"10.1007/s10329-024-01130-y","DOIUrl":"https://doi.org/10.1007/s10329-024-01130-y","url":null,"abstract":"","PeriodicalId":20468,"journal":{"name":"Primates","volume":"117 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2024-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140570051","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Stillbirth of a mandrill (Mandrillus sphinx) in the wild: perinatal behaviors and delivery sequences. 野生山魈(Mandrillus sphinx)的死胎:围产期行为和分娩顺序。
IF 1.7 4区 生物学
Primates Pub Date : 2024-03-01 Epub Date: 2023-12-22 DOI: 10.1007/s10329-023-01112-6
Berta Roura-Torres, Paul Amblard-Rambert, Pascal Lepou, Peter M Kappeler, Marie J E Charpentier
{"title":"Stillbirth of a mandrill (Mandrillus sphinx) in the wild: perinatal behaviors and delivery sequences.","authors":"Berta Roura-Torres, Paul Amblard-Rambert, Pascal Lepou, Peter M Kappeler, Marie J E Charpentier","doi":"10.1007/s10329-023-01112-6","DOIUrl":"10.1007/s10329-023-01112-6","url":null,"abstract":"<p><p>Birth is a fundamental event in the life of animals, including our own species. More reports of wild non-human primate births and stillbirths are thus needed to better understand the evolutionary pressures shaping parturition behaviors in our lineage. In diurnal non-human primates, births generally occur at night, when individuals are resting. Consequently, they are difficult to observe in the wild and most of the current knowledge regarding perinatal behaviors comes from rare daytime births. Information about stillbirths is even rarer and their proximate causes are generally unknown. Here, we present detailed observations of a daytime birth of a stillborn wild mandrill (Mandrillus sphinx). During this event, which lasted an entire day, we recorded the behaviors of the parturient female ad libitum, using video recordings and photos. The 5-year-old female was primiparous and of low dominance rank. The length of her pregnancy was shorter than usual and the partum phase was extremely long compared to other birth reports in non-human primates. The female disappeared shortly after this event and was assumed to have died. We discuss the possible causes of this stillbirth including the infant's presentation at birth and maternal inexperience.</p>","PeriodicalId":20468,"journal":{"name":"Primates","volume":" ","pages":"75-80"},"PeriodicalIF":1.7,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10884356/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138831164","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Rushing for "burned" food: Why and how does a group of patas monkeys (Erythrocebus patas) reach freshly burned areas? 争抢 "烧焦 "的食物:一群帕塔斯猴(Erythrocebus patas)为何以及如何到达新近被烧毁的区域?
IF 1.7 4区 生物学
Primates Pub Date : 2024-03-01 Epub Date: 2024-02-06 DOI: 10.1007/s10329-023-01113-5
Maho Hanzawa, Yoshiki Morimitsu, Erasmus H Owusu, Richard D Suu-Ire, Naofumi Nakagawa
{"title":"Rushing for \"burned\" food: Why and how does a group of patas monkeys (Erythrocebus patas) reach freshly burned areas?","authors":"Maho Hanzawa, Yoshiki Morimitsu, Erasmus H Owusu, Richard D Suu-Ire, Naofumi Nakagawa","doi":"10.1007/s10329-023-01113-5","DOIUrl":"10.1007/s10329-023-01113-5","url":null,"abstract":"<p><p>Recently, considerable attention has been paid to animal adaptations to anthropogenic environments, such as foraging in burned areas where plants are promoted to regenerate by anthropogenic burning. However, among primates, reports on the utilization of resources that are available immediately after burning have been limited to a few primate species. In this study, we investigated and compared the activity budgets and food categories of a group of patas monkeys (Erythrocebus patas) in freshly burned areas by comparing them with those in previously burned areas and unburned areas. We also assessed the proportion of time spent in the freshly burned area before and after the fire: GPS collars were fitted to five of the six adults in the group, and their patterns when they traveled toward freshly burned and unburned feeding areas were compared. Patas monkeys spent more time in freshly burned areas after the fire, and they visited such areas mostly for feeding, particularly on roasted seeds of Cissus populnea. Furthermore, patas monkeys traveled faster and in a more synchronized way toward freshly burned areas. This \"apparent goal-directed\" travel began at least 1 h before arriving. Results indicate that the group recognized freshly burned areas as valuable, and the monkeys were able to travel in a goal-directed manner to them despite their variable locations. We suggest that smoke from freshly burned areas provides a visual cue with which to orient to the burned areas. Our results also support the notion that some primates are flexible enough to adapt to and benefit from anthropogenic environmental changes.</p>","PeriodicalId":20468,"journal":{"name":"Primates","volume":" ","pages":"103-113"},"PeriodicalIF":1.7,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139692712","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fragmented forest affects the southern black-horned capuchin (Sapajus nigritus cucullatus) in the Argentinean Atlantic Forest. 森林破碎化对阿根廷大西洋森林中南方黑角卷尾猴(Sapajus nigritus cucullatus)的影响。
IF 1.7 4区 生物学
Primates Pub Date : 2024-03-01 Epub Date: 2024-01-18 DOI: 10.1007/s10329-023-01114-4
Victoria Martinez de Zorzi, Sam Shanee, Luciana Inés Oklander
{"title":"Fragmented forest affects the southern black-horned capuchin (Sapajus nigritus cucullatus) in the Argentinean Atlantic Forest.","authors":"Victoria Martinez de Zorzi, Sam Shanee, Luciana Inés Oklander","doi":"10.1007/s10329-023-01114-4","DOIUrl":"10.1007/s10329-023-01114-4","url":null,"abstract":"<p><p>The southern black-horned capuchin, Sapajus nigritus cucullatus, is considered Near Threatened on the IUCN Red List and Vulnerable in Argentina. The species is mainly threatened by habitat loss and fragmentation. The aim of this study was to compare range size, group size, and density in S. n. cucullatus groups between areas of continuous and fragmented habitat in the Atlantic Forest in Argentina. The study was carried out in two areas in northern Misiones province, one continuous and one anthropogenic fragment. Fieldwork was carried out for 5 days each month from November 2019 to March 2020 and from November 2020 to March 2021. SARS-CoV-2 restrictions meant we could not survey in the intervening period. Group counts were made on existing trails and subsequent group follows. We georeferenced encounters and follows to estimate home range sizes. We calculated density based on home range modeling using 100% minimum convex polygons (MCP), and compared these using generalized linear models (GLM). Smaller groups and lower density of S. n. cucullatus were found in continuous forest, with group sizes between 12 and 23 individuals, and density of 0.14 ind/ha, whereas in the fragmented forest, group sizes were between 32 and 36, with density of 0.62 ind/ha (n = 107; zero-inflated negative binomial regression [ZINB], p < 0.05). The higher density in forest fragments may be due to reduced dispersal ability. This work highlights data on species plasticity that could contribute to the development of conservation management strategies for S. n. cucullatus and its habitat.</p>","PeriodicalId":20468,"journal":{"name":"Primates","volume":" ","pages":"125-133"},"PeriodicalIF":1.7,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139491809","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
May the force be with you: exploring force discrimination in chimpanzees using the force-feedback device 愿力与你同在:利用力反馈装置探索黑猩猩的力辨别能力
IF 1.7 4区 生物学
Primates Pub Date : 2024-01-20 DOI: 10.1007/s10329-023-01117-1
Masaki Tomonaga, Yoshihiro Tanaka, Motoyuki Sakai
{"title":"May the force be with you: exploring force discrimination in chimpanzees using the force-feedback device","authors":"Masaki Tomonaga, Yoshihiro Tanaka, Motoyuki Sakai","doi":"10.1007/s10329-023-01117-1","DOIUrl":"https://doi.org/10.1007/s10329-023-01117-1","url":null,"abstract":"<p>While force-feedback devices have been developed in areas such as virtual reality, there have been very few comparative cognitive studies in nonhuman animals using these devices. In addition, although cross-modal perception between vision and touch has been actively studied in nonhuman primates for several decades, there have been no studies of their active haptic perception. In this study, we attempted to train force discrimination in chimpanzees using a force-feedback device modified from a trackball. Chimpanzees were given different levels of force feedback (8.0 vs. 0.5 N) when moving the on-screen cursor to the target area by manipulating the trackball and were required to select one of two choice stimuli based on the force cue. The experiment was conducted using a trial-block procedure in which the same force stimulus was presented for a fixed number of trials, and the force stimulus was changed between blocks. The block size was progressively reduced from ten trials. Four chimpanzees were trained, but none reached the learning criterion (80% or more correct responses under the condition that the force stimuli were presented randomly). However, a detailed analysis of the chimpanzees’ performance before and after the trial-block switching revealed that their choice behavior could not be explained by a simple win–stay/lose–shift strategy, suggesting that the switching of the force stimuli affected the chimpanzees’ choice behavior. It was also found that the chimpanzees performed better when switching from small to large force stimuli than when switching from large to small force stimuli. Although none of the chimpanzees in this study acquired force discrimination, future studies using such force-feedback devices will provide new insights for understanding haptic cognition in nonhuman primates from a comparative cognitive perspective.</p>","PeriodicalId":20468,"journal":{"name":"Primates","volume":"59 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2024-01-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139508754","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Food preferences and nutrient composition in captive Southern brown howler monkeys, Alouatta guariba clamitans 人工饲养的南方褐吼猴(Alouatta guariba clamitans)的食物偏好和营养成分
IF 1.7 4区 生物学
Primates Pub Date : 2024-01-03 DOI: 10.1007/s10329-023-01109-1
Pamela Silveira, Ícaro William Valler, Zelinda Maria Braga Hirano, Aline Naíssa Dada, Matthias Laska, Laura Teresa Hernandez Salazar
{"title":"Food preferences and nutrient composition in captive Southern brown howler monkeys, Alouatta guariba clamitans","authors":"Pamela Silveira, Ícaro William Valler, Zelinda Maria Braga Hirano, Aline Naíssa Dada, Matthias Laska, Laura Teresa Hernandez Salazar","doi":"10.1007/s10329-023-01109-1","DOIUrl":"https://doi.org/10.1007/s10329-023-01109-1","url":null,"abstract":"<p>Studies of food preferences in captive primates have so far mainly been restricted to frugivorous species. It was therefore the aim of the present study to assess the occurrence of spontaneous food preferences in a mainly folivorous primate, the captive Southern brown howler monkey, and to analyze whether these preferences correlate with nutrient composition. Using a two-alternative choice test, we presented ten male and five female adult <i>Alouatta guariba clamitans</i> with all possible binary combinations of ten types of food that are part of their diet in captivity and recorded their choice behavior. We found the howler monkeys to display the following rank order of preference: banana &gt; mango &gt; watermelon &gt; papaya &gt; beetroot &gt; apple &gt; pear &gt; orange &gt; cucumber &gt; tomato. This preference ranking significantly and positively correlated with the total carbohydrate content and with the sucrose content of the food items. We also found significant positive correlations between the food preference ranking and the content of the minerals copper and magnesium. Male and female howler monkeys did not differ significantly in their food preference rankings. These results suggest this howler monkeys under human care are not opportunistic, but selective feeders with regard to maximizing their net gain of energy as only the content of carbohydrates, but not the contents of total energy, proteins, or lipids significantly correlated with the displayed food preferences. Thus, the food preferences of this primate are similar to those reported in several species of frugivorous primates tested with cultivated fruits and vegetables.</p>","PeriodicalId":20468,"journal":{"name":"Primates","volume":"9 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2024-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139083429","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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