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Guided by the northern star coral: a research synthesis and roadmap for Astrangia poculata. 以北星珊瑚为指导:亚洲珊瑚的研究综合和路线图。
IF 2.8 2区 生物学
Biology Letters Pub Date : 2025-03-01 Epub Date: 2025-03-19 DOI: 10.1098/rsbl.2024.0469
Jill Ashey, Hollie M Putnam, M Conor McManus
{"title":"Guided by the northern star coral: a research synthesis and roadmap for <i>Astrangia poculata</i>.","authors":"Jill Ashey, Hollie M Putnam, M Conor McManus","doi":"10.1098/rsbl.2024.0469","DOIUrl":"10.1098/rsbl.2024.0469","url":null,"abstract":"<p><p>The northern star coral, <i>Astrangia poculata</i>, is a temperate, facultatively symbiotic, scleractinian coral spanning the coastal western Atlantic. This calcifying species is mixotrophic with a broad geographical range, and therefore has high utility in addressing questions related to community ecology, symbiosis, population genetics, biomineralization and resilience to environmental perturbations. Here, we review the current <i>A. poculata</i> peer-reviewed literature, which is primarily found in six focal areas: geographic range, habitat and ecology, symbiosis, life history, microbiome and genomics and transcriptomics. A cross-cutting theme of these studies emerges as the value of an experimental system that is facultatively symbiotic. Yet, the historic overgeneralization of symbiotic versus 'aposymbiotic' <i>A. poculata</i> has constrained the interpretation of the basic biology and generalizability of conclusions. Emergent from our review, and timely with respect to climate change, is the value that <i>A. poculata</i> brings as an experimental system with the potential to test questions on range adaptability and environmental resilience. We identify future avenues of research for <i>A. poculata</i> studies that include integration of population genetics with organismal-molecular-cellular biology across the geographical range, while leveraging the power of the facultative symbiosis context.</p>","PeriodicalId":9005,"journal":{"name":"Biology Letters","volume":"21 3","pages":"20240469"},"PeriodicalIF":2.8,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11919497/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143655593","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Turning the tables: a tiny bird uses alarm calls and mimicry to deceive its nest predator. 扭转局面:一只小鸟利用警报声和模仿来欺骗巢中的捕食者。
IF 2.8 2区 生物学
Biology Letters Pub Date : 2025-03-01 Epub Date: 2025-03-12 DOI: 10.1098/rsbl.2024.0710
Lauren Ascah, Branislav Igic, Robert Magrath
{"title":"Turning the tables: a tiny bird uses alarm calls and mimicry to deceive its nest predator.","authors":"Lauren Ascah, Branislav Igic, Robert Magrath","doi":"10.1098/rsbl.2024.0710","DOIUrl":"10.1098/rsbl.2024.0710","url":null,"abstract":"<p><p>Animals often eavesdrop on other species' alarm calls to gain information about danger, but this can allow for deception by callers. Such deception often uses 'aerial' alarm calls, which normally warn of airborne predators and prompt immediate fleeing. The calls are deceptive if they are given when no flying predator is present and the caller benefits from the victim's response, typically by gaining food dropped when the listener flees. We studied deceptive alarm calling by brown thornbills, <i>Acanthiza pusilla</i>, defending offspring against predatory pied currawongs, <i>Strepera graculina</i>. Thornbills give their own and mimetic aerial alarm calls when defending nestlings against currawongs, who are fooled into scanning for danger or flying away. We tested whether deception works by exploiting the predator's response to aerial alarm calls, and what role mimicry plays. Currawongs were more likely to flee, and delayed feeding longer, after playback of purely aerial compared with purely mobbing alarm choruses. They responded the same regardless of what type of mimetic alarm followed the thornbill's aerial alarm. We conclude that vocal deception is effective because it exploits currawong response according to call meaning, while mimicry likely creates an illusion of a multi-species alarm chorus.</p>","PeriodicalId":9005,"journal":{"name":"Biology Letters","volume":"21 3","pages":"20240710"},"PeriodicalIF":2.8,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11896708/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143603522","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
International disparities in conservation priorities are more complicated than Global North-Global South divisions. 国际间在保护优先事项上的差异比全球南北的划分更为复杂。
IF 2.8 2区 生物学
Biology Letters Pub Date : 2025-03-01 Epub Date: 2025-03-19 DOI: 10.1098/rsbl.2024.0571
Yolanda Mutinhima, Lovemore Sibanda, Betty J Rono, Salum Kulunge, David Kimaili, Amy J Dickman, Emily Madsen, Lessah Mandoloma, Jessica Tacey, Shorna Allred, Darragh Hare
{"title":"International disparities in conservation priorities are more complicated than Global North-Global South divisions.","authors":"Yolanda Mutinhima, Lovemore Sibanda, Betty J Rono, Salum Kulunge, David Kimaili, Amy J Dickman, Emily Madsen, Lessah Mandoloma, Jessica Tacey, Shorna Allred, Darragh Hare","doi":"10.1098/rsbl.2024.0571","DOIUrl":"10.1098/rsbl.2024.0571","url":null,"abstract":"<p><p>Two enduring ideological divisions in biodiversity conservation concern whether conservation should prioritize (i) the interests of people or wild animals and (ii) the interests of individual animals or groups of animals. Public debates suggest that people living in the Global North more strongly prioritize the interests of wild animals over people and the interests of individual animals over groups of animals. To examine this possibility, we measured and compared conservation priorities across 10 international publics living in rural and urban areas of sub-Saharan Africa, the United States of America (USA) and the United Kingdom (UK). Overall, distant respondents (i.e. living in the UK, USA and urban sub-Saharan Africa) more strongly prioritized the interests of wild animals over people and the interests of individual animals over groups of animals. Moreover, variation among local publics (i.e. living in high-biodiversity areas of rural sub-Saharan Africa) was greater than among distant publics. Our findings illuminate how ideological divisions may complicate international biodiversity conservation, especially around controversial topics such as culling, hunting, transloaction and protected-areas management. Policies and programmes more acceptable to distant people may be less acceptable to local people, creating difficulties for decision-makers charged with balancing biodiversity conservation alongside the values, needs, interests and concerns of multiple publics.</p>","PeriodicalId":9005,"journal":{"name":"Biology Letters","volume":"21 3","pages":"20240571"},"PeriodicalIF":2.8,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11919524/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143655614","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Neuropeptide receptor distributions in male and female Eulemur vary between female-dominant and egalitarian species. 神经肽受体在雄性和雌性尤利莫的分布在雌性优势和平等的物种之间有所不同。
IF 2.8 2区 生物学
Biology Letters Pub Date : 2025-03-01 Epub Date: 2025-03-19 DOI: 10.1098/rsbl.2024.0647
Allie E Schrock, Mia R Grossman, Nicholas M Grebe, Annika Sharma, Sara M Freeman, Michelle C Palumbo, Karen L Bales, Heather B Patisaul, Christine M Drea
{"title":"Neuropeptide receptor distributions in male and female <i>Eulemur</i> vary between female-dominant and egalitarian species.","authors":"Allie E Schrock, Mia R Grossman, Nicholas M Grebe, Annika Sharma, Sara M Freeman, Michelle C Palumbo, Karen L Bales, Heather B Patisaul, Christine M Drea","doi":"10.1098/rsbl.2024.0647","DOIUrl":"10.1098/rsbl.2024.0647","url":null,"abstract":"<p><p>Aggression and its neurochemical modulators are typically studied in males, leaving the mechanisms of female competitive aggression or dominance largely unexplored. To better understand how competitive aggression is regulated in the primate brain, we used receptor autoradiography to compare the neural distributions of oxytocin and vasopressin receptors in male and female members of female-dominant versus egalitarian/codominant species within the <i>Eulemur</i> genus, wherein dominance structure is a reliable proxy of aggression in both sexes. We found that oxytocin receptor binding in the central amygdala (CeA) was predicted by dominance structure, with the members of three codominant species showing more oxytocin receptor binding in this region than their peers in four female-dominant species. Thus, both sexes in female-dominant <i>Eulemur</i> show a pattern consistent with the regulation of aggression in male rodents. We suggest that derived pacifism in <i>Eulemur</i> stems from selective suppression of ancestral female aggression over evolutionary time via a mechanism of increased oxytocin receptor binding in the CeA, rather than from augmented male aggression. This interpretation implies fitness costs to female aggression and/or benefits to its inhibition. These data establish <i>Eulemur</i> as a robust model for examining neural correlates of male and female competitive aggression, potentially providing novel insights into female dominance.</p>","PeriodicalId":9005,"journal":{"name":"Biology Letters","volume":"21 3","pages":"20240647"},"PeriodicalIF":2.8,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11921807/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143655622","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Gregarious behaviour in Carboniferous cyclidan crustaceans. 石炭纪环纹类甲壳动物的嬉戏行为。
IF 2.8 2区 生物学
Biology Letters Pub Date : 2025-03-01 Epub Date: 2025-03-19 DOI: 10.1098/rsbl.2024.0734
Russell D C Bicknell, Adiël A Klompmaker, Gregory D Edgecombe, Victoria E McCoy, Andrew Young, Bruce Lauer, René Lauer, Carmela Cuomo
{"title":"Gregarious behaviour in Carboniferous cyclidan crustaceans.","authors":"Russell D C Bicknell, Adiël A Klompmaker, Gregory D Edgecombe, Victoria E McCoy, Andrew Young, Bruce Lauer, René Lauer, Carmela Cuomo","doi":"10.1098/rsbl.2024.0734","DOIUrl":"10.1098/rsbl.2024.0734","url":null,"abstract":"<p><p>Gregarious behaviours in modern and fossil arthropods are commonly associated with defensive strategies, mass moulting and synchronous reproduction. Such behaviour is scarcely documented in the crustacean fossil record. Identifying clusters in extinct Pancrustacea is, therefore, important for understanding the evolutionary history and origin of crustacean gregariousness. Cyclida, an order of extinct, enigmatic pancrustaceans that have been subject to limited palaeoecological examination, represents an ideal group for testing the presence of gregarious behaviour. Here, we report a cluster of 50 <i>Schramine montanaensis</i> individuals from the Serpukhovian-aged Bear Gulch Limestone of Montana, USA, expanding the exceptionally rare record of cyclidan aggregations. The presence of articulated specimens with appendages and possible gill preservation supports the interpretation of carcasses that were preserved during a rapid burial event. We propose that this cluster records either a mass moulting event or clustering for shelter, representing one of the oldest records of crustacean gregariousness. These findings provide important insights into cyclidan life modes and ecological interactions in Carboniferous marine environments.</p>","PeriodicalId":9005,"journal":{"name":"Biology Letters","volume":"21 3","pages":"20240734"},"PeriodicalIF":2.8,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11919491/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143656113","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Island size shapes genomic diversity in a great speciator (Aves: Zosterops). 岛屿的大小决定了一个大物种的基因组多样性。
IF 2.8 2区 生物学
Biology Letters Pub Date : 2025-03-01 Epub Date: 2025-03-05 DOI: 10.1098/rsbl.2024.0692
Ethan F Gyllenhaal, Michael J Andersen, Robert G Moyle, Joseph D Manthey
{"title":"Island size shapes genomic diversity in a great speciator (Aves: <i>Zosterops</i>).","authors":"Ethan F Gyllenhaal, Michael J Andersen, Robert G Moyle, Joseph D Manthey","doi":"10.1098/rsbl.2024.0692","DOIUrl":"10.1098/rsbl.2024.0692","url":null,"abstract":"<p><p>Islands have long represented natural laboratories for studying many aspects of ecology and evolutionary biology, from speciation to community assembly. One aspect that has been well documented is the correlation between island size and taxonomic diversity, likely due to decreased complexity and population size on small islands. This same logic can apply to genetic diversity, which should predictably decrease with effective population size. The island size-diversity correlation has received support over the years but often focuses on single metrics of genetic diversity. Here, we use <i>Zosterops</i> white-eyes in the Solomon Islands to study the correlation between island size and various metrics related to genetic diversity, including runs of homozygosity and fixation of transposable elements. We find that almost all these metrics strongly correlate with island size, and in turn with each other. We infer that island size is independently correlated with these different variables, demonstrating that population size impacts genomic metrics of diversity in a variety of ways across temporal and hierarchical scales.</p>","PeriodicalId":9005,"journal":{"name":"Biology Letters","volume":"21 3","pages":"20240692"},"PeriodicalIF":2.8,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11879625/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143555764","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Hosts eject conspecific parasitic eggs according to the egg size in a passerine. 寄主根据雀形目中卵的大小排出同种寄生卵。
IF 2.8 2区 生物学
Biology Letters Pub Date : 2025-03-01 Epub Date: 2025-03-12 DOI: 10.1098/rsbl.2024.0655
Alaïs Liénard, Diego Gil, Chantal Poteaux, Raquel Monclús
{"title":"Hosts eject conspecific parasitic eggs according to the egg size in a passerine.","authors":"Alaïs Liénard, Diego Gil, Chantal Poteaux, Raquel Monclús","doi":"10.1098/rsbl.2024.0655","DOIUrl":"10.1098/rsbl.2024.0655","url":null,"abstract":"<p><p>Conspecific brood parasitism (CBP) is an alternative reproductive tactic in egg-laying species, where a female lays her eggs in the nest of a conspecific. In a population of spotless starlings (<i>Sturnus unicolor</i>), we observed that some eggs are ejected from the nest during CBP events. It is unclear whether this ejection is a parasitic strategy (a host egg is ejected) or an anti-parasitism strategy (the parasitic egg is ejected). To clarify this, we genotyped the eggs ejected on the ground and found that 100% of them were parasitic. Egg discrimination might be based on tactile or visual cues, and we hypothesized that egg size could be used by hosts to eject parasitic eggs. We conducted experiments in the field using dummy eggs of varying sizes. The results showed that starlings were more likely to eject eggs if they were smaller than their own eggs. In contrast, no significant pattern of egg ejection was observed for larger eggs. Our results suggest that starlings use egg volume recognition as an anti-parasitism strategy to avoid the costs of parasitism. Whether this is a frequency-dependent strategy is worth further studies.</p>","PeriodicalId":9005,"journal":{"name":"Biology Letters","volume":"21 3","pages":"20240655"},"PeriodicalIF":2.8,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11896707/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143603513","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Homing through ecological barriers in Balkan pond turtles. 巴尔干池塘龟在生态屏障中归巢。
IF 2.8 2区 生物学
Biology Letters Pub Date : 2025-03-01 Epub Date: 2025-03-26 DOI: 10.1098/rsbl.2024.0442
Anat Levi, Omri Meir, Ohad Vilk, Ran Nathan, Sivan Toledo, Oren Kolodny, Yoni Vortman
{"title":"Homing through ecological barriers in Balkan pond turtles.","authors":"Anat Levi, Omri Meir, Ohad Vilk, Ran Nathan, Sivan Toledo, Oren Kolodny, Yoni Vortman","doi":"10.1098/rsbl.2024.0442","DOIUrl":"10.1098/rsbl.2024.0442","url":null,"abstract":"<p><p>Homing behaviour, the tendency to return home from a place outside an individual's home, requires an ability to navigate by integrating inputs from natural cues. While navigation has been extensively studied, it remains taxonomically biased, mainly focusing on birds. We used the ATLAS tracking system to test homing behaviour of the Balkan pond turtle (<i>Mauremys rivulata</i>), a semi-aquatic reptile. Thirty-six turtles were displaced up to 2.5 km from their capture location and tracked to test for homing behaviour. Another five individuals were released in their capture location as a baseline for local movement. A correlated random-walk model was developed, simulating movement patterns fitted to match turtle movements. Most displaced turtles successfully returned or headed towards their home range within 1-3 days, travelling significantly greater daily distances within those days. Homing turtles showed a more direct and shorter delay than simulated or undisplaced turtles. Our high-resolution tracking revealed that water conduits served as eco-hydrological barriers, causing substantial delays or preventing turtles from passing through the water. Taken together, we demonstrate the navigation capability of the Balkan pond turtle, placing this species as a potential model system for navigation research and conservation biology, specifically as an indicator of wetland connectivity.</p>","PeriodicalId":9005,"journal":{"name":"Biology Letters","volume":"21 3","pages":"20240442"},"PeriodicalIF":2.8,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11936673/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143708294","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Prenatal sex determination illuminates the unusual adult sex ratio of a group-living lemur. 产前性别决定阐明了群居狐猴不寻常的成年性别比例。
IF 2.8 2区 生物学
Biology Letters Pub Date : 2025-02-01 Epub Date: 2025-02-26 DOI: 10.1098/rsbl.2024.0418
Leonie Pethig, Arpat Ozgul, Michael Heistermann, Claudia Fichtel, Peter M Kappeler
{"title":"Prenatal sex determination illuminates the unusual adult sex ratio of a group-living lemur.","authors":"Leonie Pethig, Arpat Ozgul, Michael Heistermann, Claudia Fichtel, Peter M Kappeler","doi":"10.1098/rsbl.2024.0418","DOIUrl":"10.1098/rsbl.2024.0418","url":null,"abstract":"<p><p>Most mammals, including humans, exhibit even or slightly male-biased birth sex ratios (BSRs) and female-biased adult sex ratios (ASRs) much later in life due to higher male mortality rates. The group-living primates of Madagascar are unusual in this respect because they lack female-biased ASRs, but it is unknown whether this is the result of skewed BSRs or sex-specific disappearance patterns. Using long-term demographic data from wild red-fronted lemurs (<i>Eulemur rufifrons</i>), we analysed their sex ratio dynamics across the lifespan. We assessed BSR via prenatal sex determination using maternal faecal oestrogen metabolite measurements during late pregnancy, confirming a visually determined equal sex ratio three months after birth, and indicating no early sex-specific mortality. Demographic analyses additionally disclosed higher female disappearance within the first 8 years of age, likely associated with reproductive effort early in life. Thereby, adult male survival had the greatest positive effect on the ASR. Our study offers a rare perspective on the dynamics of age- and sex-specific disappearance in a wild primate population, whose sex-reversed patterns may also contribute to a more general understanding of the mechanisms generating sex-biased mortality.</p>","PeriodicalId":9005,"journal":{"name":"Biology Letters","volume":"21 2","pages":"20240418"},"PeriodicalIF":2.8,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11858743/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143498240","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Old but attuned: the ability to decode babies' cries does not decline with age. 老而协调:解码婴儿哭声的能力不会随着年龄的增长而下降。
IF 2.8 2区 生物学
Biology Letters Pub Date : 2025-02-01 Epub Date: 2025-02-26 DOI: 10.1098/rsbl.2024.0667
Siloé Corvin, Clément Cornec, Roland Peyron, David Reby, Camille Fauchon, Nicolas Mathevon
{"title":"Old but attuned: the ability to decode babies' cries does not decline with age.","authors":"Siloé Corvin, Clément Cornec, Roland Peyron, David Reby, Camille Fauchon, Nicolas Mathevon","doi":"10.1098/rsbl.2024.0667","DOIUrl":"10.1098/rsbl.2024.0667","url":null,"abstract":"<p><p>In most human societies, grandparents often provide substantial care and support for their grandchildren, including as babies. Given that previous studies have shown that ageing is accompanied by a gradual decline in our ability to identify other people's emotions, does age also reduce our skill at understanding a baby's cries? Here, we show that older people with experience of caring for babies remain able to correctly decode the information conveyed by babies' cries. The results of our psychoacoustic experiments underline that older people were at least as good as younger adults at identifying whether a baby is crying in pain or rather as a result of simple discomfort. These results are consistent with the notion that humans are cooperative breeders where older generations can effectively help younger ones with alloparental care. Favouring intergenerational solidarity is likely to simultaneously benefit the quality of life of young parents and older, knowledgeable carers.</p>","PeriodicalId":9005,"journal":{"name":"Biology Letters","volume":"21 2","pages":"20240667"},"PeriodicalIF":2.8,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11858749/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143498239","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
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