Journal of Avian Biology最新文献

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Recurrence, fidelity and proximity to previously visited sites throughout the annual cycle in a trans-Saharan migrant, the common cuckoo 一种跨撒哈拉迁徙鸟类布谷鸟在整个年周期中对以前到过的地点的重现性、忠实性和接近性
IF 1.5 3区 生物学
Journal of Avian Biology Pub Date : 2024-03-19 DOI: 10.1111/jav.03183
Carlotta Bonaldi, Yannis Vardanis, Mikkel Willemoes, Chris M. Hewson, Philip W. Atkinson, Jan-Åke Nilsson, Raymond H. G. Klaassen, Roine Strandberg, Anders P. Tøttrup, Paul W. Howey, Thomas Alerstam, Kasper Thorup
{"title":"Recurrence, fidelity and proximity to previously visited sites throughout the annual cycle in a trans-Saharan migrant, the common cuckoo","authors":"Carlotta Bonaldi,&nbsp;Yannis Vardanis,&nbsp;Mikkel Willemoes,&nbsp;Chris M. Hewson,&nbsp;Philip W. Atkinson,&nbsp;Jan-Åke Nilsson,&nbsp;Raymond H. G. Klaassen,&nbsp;Roine Strandberg,&nbsp;Anders P. Tøttrup,&nbsp;Paul W. Howey,&nbsp;Thomas Alerstam,&nbsp;Kasper Thorup","doi":"10.1111/jav.03183","DOIUrl":"10.1111/jav.03183","url":null,"abstract":"<p>Most migratory birds return every year to the same breeding sites and some species show a similarly high fidelity to wintering grounds as well. Fidelity to stopover sites during migration has been much less studied and is usually found to be lower. Here, we investigate site fidelity and distance to previously visited sites throughout the annual cycle in the common cuckoo, a nocturnal trans-Saharan migrant, based on satellite-tracking data from repeated annual migrations of thirteen adult males. All birds (100%) returned to the same breeding grounds, with a median shortest distance of only 1 km from the locations in previous year. This was in strong contrast to a much lower and much less precise site fidelity at non-breeding sites during the annual cycle: In only 18% of the possible cases in all non-breeding regions combined, did the cuckoos return to within 50 km of a previously visited non-breeding site, with no significant differences among the main staging regions (Europe in autumn, Sahel in autumn, wintering in Central Africa, West Africa in spring, Europe in spring). The shortest distance to a previously visited non-breeding site differed among the staging regions with median shortest distances for the longest stopovers of 131 km [2;1223] (median [min;max]) in Europe, 207 km [1;2222] in Sahel in autumn and 110 km [0;628] in Central Africa. The distance to a previously visited staging site decreased with the time spent at the stopover in a previous year. Understanding the drivers of recurrence and site selection in migratory birds are important for guiding conservation efforts in this group but further studies are needed to establish whether the patterns observed in cuckoos are general among terrestrial migrants with continuous distribution of habitat.</p>","PeriodicalId":15278,"journal":{"name":"Journal of Avian Biology","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jav.03183","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140202388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
The northern wheatear is reducing its distribution in its southernmost European range and moving to higher altitudes 北麦穗鱼正在减少其在欧洲最南端的分布,向高海拔地区迁移
IF 1.7 3区 生物学
Journal of Avian Biology Pub Date : 2024-03-19 DOI: 10.1111/jav.03217
Sandro López-Ramírez, Raimundo Real, Antonio-Román Muñoz
{"title":"The northern wheatear is reducing its distribution in its southernmost European range and moving to higher altitudes","authors":"Sandro López-Ramírez,&nbsp;Raimundo Real,&nbsp;Antonio-Román Muñoz","doi":"10.1111/jav.03217","DOIUrl":"10.1111/jav.03217","url":null,"abstract":"<p>Under the current pattern of climate change, mountain bird populations are generally shifting their ranges to higher elevations, tracking their climatic optima. Nevertheless, space limitations at high altitudes constrain mountain species' resilience to climatic change, making them particularly vulnerable. In extreme cases, the climatic niche of some species can move beyond mountaintops, ultimately driving such species to extinction. This study presents the case of the northern wheatear <i>Oenanthe oenanthe</i> in mainland Spain and compares its breeding distribution from 2003 to 2022. Spain, where the species mostly occupies mountain areas, represents its southernmost distribution limit in Europe. We built environmental favourability models using information from the two most recent Spanish bird atlases and a set of climatic, topographic, human activity and lithological variables to determine the factors affecting the occurrence of the species. The influence of climate compared to all other factors was obtained using variation partitioning analysis. The northern wheatear has suffered a strong reduction (67%) in occupied areas and also in favourability throughout mainland Spain (especially in the south) where climate change may have far-reaching consequences, including local extinctions. Climate explained more than 90% of the variation in the model obtained for 2022. Interestingly, the occupied areas were, on average, 100 m higher in 2022 than in 2003. If the effects of climate warming persist, the northern wheatear will likely disappear in its southernmost distribution limit, being the Sierra de las Nieves National Park population the most vulnerable in mainland Spain. For this reason, it is necessary to implement monitoring programmes for northern wheatear populations, with priority for mountain systems wherein they already occupy higher elevations, as well as further studies on other mountain species.</p>","PeriodicalId":15278,"journal":{"name":"Journal of Avian Biology","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jav.03217","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140181916","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Individual and environmental factors influencing preen gland's morphology and physiology in the barn owl Tyto alba 影响仓鸮预言腺形态和生理的个体和环境因素
IF 1.5 3区 生物学
Journal of Avian Biology Pub Date : 2024-03-19 DOI: 10.1111/jav.03247
Laurie Ançay, Sidonie Nicole, Luis M. San-Jose, Alexandre Roulin
{"title":"Individual and environmental factors influencing preen gland's morphology and physiology in the barn owl Tyto alba","authors":"Laurie Ançay,&nbsp;Sidonie Nicole,&nbsp;Luis M. San-Jose,&nbsp;Alexandre Roulin","doi":"10.1111/jav.03247","DOIUrl":"10.1111/jav.03247","url":null,"abstract":"<p>Avian preen gland helps birds cope with their environment, although its overall functioning remains unclear. We shed light on the complexity of the preen gland's functioning by studying how multiple factors associate with gland morphology (size and shape) and physiology (wax secreted) in barn owls <i>Tyto alba</i>. Individual factors (sex, breeding stage, body condition) were more important predictors of preen gland than environmental factors (temperature, humidity, brood size). Sex, depending on breeding stage in adults, influenced preen gland traits, pointing to the preen gland's regulation by sex hormones and a greater pressure on females to protect their eggs, offspring and themselves throughout reproduction. Adults and fledglings in better condition had larger glands, pointing to the existence of physiological costs. Temperature and humidity, in interaction with plumage coloration, also influenced but to a lesser extent preen gland traits, suggesting that melanin pigmentation and preen gland act as superseding mechanisms when protecting plumage against microorganisms. Finally, fledglings living in larger broods had larger glands, suggesting a role for the social environment in preen gland's functioning. Overall, our study supports the idea that preen gland functions in diverse biological contexts within the same species and is thus subject to multiple selective pressures.</p>","PeriodicalId":15278,"journal":{"name":"Journal of Avian Biology","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jav.03247","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140202380","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Hybridization constrains the evolution of mimicry complexes in woodpeckers 杂交限制了啄木鸟拟态复合体的进化
IF 1.7 3区 生物学
Journal of Avian Biology Pub Date : 2024-02-26 DOI: 10.1111/jav.03228
Jente Ottenburghs, Michaël P. J. Nicolaï
{"title":"Hybridization constrains the evolution of mimicry complexes in woodpeckers","authors":"Jente Ottenburghs,&nbsp;Michaël P. J. Nicolaï","doi":"10.1111/jav.03228","DOIUrl":"10.1111/jav.03228","url":null,"abstract":"<p>The evolution of interspecific mimicry does not always result in perfect resemblance between mimics and models. Differences between members of a mimicry complex can be explained by genetic or developmental constraints. Alternatively, imperfect mimicry might be the outcome of a tradeoff between multiple selective pressures. In this study, we explored the evolutionary conflict between mimicry and hybridization in woodpeckers. Based on the selective tradeoff hypothesis, we expected that mimicry complexes will start to evolve once the constraint of maladaptive hybridization is relaxed. Hence, we predicted limited overlap in the divergence times between hybridizing species pairs and members of a mimicry complex. This prediction was supported by clear tipping point in the probability of hybridization and mimicry at ca 9 million years of divergence. Around this timepoint, the probability of hybridization approaches zero while the probability of belonging to a mimicry complex increases. This finding is only correlational and remains to be confirmed in other taxonomic groups. Nonetheless, our results suggest a selective tradeoff between evolving interspecific mimicry and avoiding maladaptive hybridization in woodpeckers.</p>","PeriodicalId":15278,"journal":{"name":"Journal of Avian Biology","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jav.03228","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139969137","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Structural and socioeconomic features of cities predict migratory bird species richness 城市的结构和社会经济特征可预测候鸟物种的丰富程度
IF 1.7 3区 生物学
Journal of Avian Biology Pub Date : 2024-02-13 DOI: 10.1111/jav.03189
R. Kinnunen, Kevin C. Fraser, C. Schmidt, C. Garroway
{"title":"Structural and socioeconomic features of cities predict migratory bird species richness","authors":"R. Kinnunen, Kevin C. Fraser, C. Schmidt, C. Garroway","doi":"10.1111/jav.03189","DOIUrl":"https://doi.org/10.1111/jav.03189","url":null,"abstract":"Cities are aggregates of human activities where our decisions shape the environment creating heterogeneity across urban centers that can have significant ecological effects on wildlife. Many bird species are found in cities during the breeding season, which implies they find sufficient resources in cities to support them during this energetically costly time. As populations of many migratory bird species are declining, knowledge of how they are affected by urbanization is needed. Yet, we know little about how the species richness of migratory birds varies across different types of cities. Here we ask if cities' structural and socioeconomic features can predict the species richness of migratory birds that generally select different breeding habitats during the breeding season. We used eBird data from census‐designated urban areas in the US to model the relationship between features of cities (housing density, median income, city age, and commuting time), environmental disturbance (measured by the human footprint index) and species richness by fitting generalized linear models to data. We show that commuting time was the most important factor determining species richness across cities and the rest of the city features were weakly associated with species richness. Overall species were responding to city variation in similar ways. While we expected that cities with more disturbance would have lower species richness, our results indicate that some species are able to tolerate even highly disturbed cities and that cities in certain regions may act as a refuge to birds. This knowledge is important for our general understanding of cities as habitat for birds and how migratory birds respond to across‐city variation during the breeding season.","PeriodicalId":15278,"journal":{"name":"Journal of Avian Biology","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139781280","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Structural and socioeconomic features of cities predict migratory bird species richness 城市的结构和社会经济特征可预测候鸟物种的丰富程度
IF 1.7 3区 生物学
Journal of Avian Biology Pub Date : 2024-02-13 DOI: 10.1111/jav.03189
R. Kinnunen, Kevin C. Fraser, C. Schmidt, C. Garroway
{"title":"Structural and socioeconomic features of cities predict migratory bird species richness","authors":"R. Kinnunen, Kevin C. Fraser, C. Schmidt, C. Garroway","doi":"10.1111/jav.03189","DOIUrl":"https://doi.org/10.1111/jav.03189","url":null,"abstract":"Cities are aggregates of human activities where our decisions shape the environment creating heterogeneity across urban centers that can have significant ecological effects on wildlife. Many bird species are found in cities during the breeding season, which implies they find sufficient resources in cities to support them during this energetically costly time. As populations of many migratory bird species are declining, knowledge of how they are affected by urbanization is needed. Yet, we know little about how the species richness of migratory birds varies across different types of cities. Here we ask if cities' structural and socioeconomic features can predict the species richness of migratory birds that generally select different breeding habitats during the breeding season. We used eBird data from census‐designated urban areas in the US to model the relationship between features of cities (housing density, median income, city age, and commuting time), environmental disturbance (measured by the human footprint index) and species richness by fitting generalized linear models to data. We show that commuting time was the most important factor determining species richness across cities and the rest of the city features were weakly associated with species richness. Overall species were responding to city variation in similar ways. While we expected that cities with more disturbance would have lower species richness, our results indicate that some species are able to tolerate even highly disturbed cities and that cities in certain regions may act as a refuge to birds. This knowledge is important for our general understanding of cities as habitat for birds and how migratory birds respond to across‐city variation during the breeding season.","PeriodicalId":15278,"journal":{"name":"Journal of Avian Biology","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139841201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Extra-pair paternity enhances the reproductive fitness of urban Chinese blackbird 配对外的父子关系提高了城市中华乌鸫的繁殖能力
IF 1.7 3区 生物学
Journal of Avian Biology Pub Date : 2024-01-23 DOI: 10.1111/jav.03129
Xueli Zhang, Zhen Zhang, Wenjing Lu, Yao Sheng, Fang Ming, Long Ma, Chaoying Zhu, Mingwang Chen, Xinqi Lu, Yuancheng Liu, Guanglong Sun, Luzhang Ruan
{"title":"Extra-pair paternity enhances the reproductive fitness of urban Chinese blackbird","authors":"Xueli Zhang, Zhen Zhang, Wenjing Lu, Yao Sheng, Fang Ming, Long Ma, Chaoying Zhu, Mingwang Chen, Xinqi Lu, Yuancheng Liu, Guanglong Sun, Luzhang Ruan","doi":"10.1111/jav.03129","DOIUrl":"https://doi.org/10.1111/jav.03129","url":null,"abstract":"Urbanization is a human-induced process of rapid habitat change that can affect the reproductive success of animals. The occurrence of extra-pair paternity (EPP) may be sensitive to changes in urban ecological conditions. In this study, the Chinese blackbird <i>Turdus mandarinus</i>, a common breeding bird in southern Chinese cities, was selected as the focus species to explore the EPP patterns of monogamous birds in developing cities and the relationship between pairs. Over four breeding seasons, 316 Chinese blackbird nestlings and 20 adults in both urban and rural areas were monitored and genotyped for 11 microsatellite loci to determine progeny affinity. We confirmed that both the brood size and hatching rate of EPP nests were significantly larger than those of within-pair paternity (WPP) nests. The body mass, beak length, head length, and body length of 12-day age extra-pair offspring (EPO) were significantly greater than those of within-pair offspring (WPO), suggesting important benefits of EPP. However, in accordance with the analyses of nest ecological variables, we concluded that EPP occurs most often in areas with low urbanization levels, indicating some constraints for this reproductive strategy in cities. Our findings provide new insights about how this growing human-induced landscape change affects mating behaviour in birds, an important aspect in avian ecology and evolution.","PeriodicalId":15278,"journal":{"name":"Journal of Avian Biology","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139559755","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Function of juvenile plumage in the northern goshawk (Accipiter gentilis): aggressive mimicry hypothesis 北部苍鹰(Accipiter gentilis)幼鸟羽毛的功能:攻击性模仿假说
IF 1.7 3区 生物学
Journal of Avian Biology Pub Date : 2024-01-18 DOI: 10.1111/jav.03192
Jan Špička, Petr Veselý, Roman Fuchs
{"title":"Function of juvenile plumage in the northern goshawk (Accipiter gentilis): aggressive mimicry hypothesis","authors":"Jan Špička,&nbsp;Petr Veselý,&nbsp;Roman Fuchs","doi":"10.1111/jav.03192","DOIUrl":"10.1111/jav.03192","url":null,"abstract":"<p>Multiple raptors show juvenile plumage that is substantially different from that of their parents. Here, we test the prediction that the colouration of the juvenile northern goshawk <i>Accipiter gentilis</i> resembling the colouration of the common buzzard <i>Buteo buteo</i> acts as a form of aggressive mimicry. The goshawk specialises in hunting larger birds and mammals up to the size of geese or hares, while the buzzard preys mostly on small rodents. Larger birds may thus consider juvenile goshawks as less dangerous raptors, and the juvenile goshawk may thus gain an advantage when hunting. We used the Eurasian magpie <i>Pica pica</i>, a common prey of the goshawk, to test this prediction. We compared the behavioural responses of magpie parents defending their freshly fledged young towards mounts of an adult goshawk, juvenile goshawk, and buzzard. To be able to assess whether this behaviour differs from responses to a nest predator and a harmless bird we also presented a common raven <i>Corvus corax</i> and common pheasant <i>Phasianus colchicus</i> as baseline stimuli. Both juvenile and adult goshawks elicited antipredatory behaviour, but magpies took more risks facing juvenile goshawks. Additionally, the intensity of antipredatory behaviour towards the juvenile goshawk was also higher than towards the buzzard. We thus conclude that magpies do distinguish between juvenile and adult goshawks, as well as they do distinguish juvenile goshawks from buzzards. They are able to assess the threat particular raptors represent and respond accordingly. Analysis of spectral reflectance of stuffed specimens of these three raptors suggests there are differences, which can be used for the appropriate recognition. In conclusion, we cannot confirm the hypothesis of aggressive mimicry in juvenile goshawks that interact with magpies.</p>","PeriodicalId":15278,"journal":{"name":"Journal of Avian Biology","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jav.03192","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139495812","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Moult terminology: envisioning an evolutionary approach 蜕皮术语:设想一种进化方法
IF 1.7 3区 生物学
Journal of Avian Biology Pub Date : 2024-01-18 DOI: 10.1111/jav.03169
Peter Pyle, Steve N. G. Howell, Danny I. Rogers, Chris Corben
{"title":"Moult terminology: envisioning an evolutionary approach","authors":"Peter Pyle,&nbsp;Steve N. G. Howell,&nbsp;Danny I. Rogers,&nbsp;Chris Corben","doi":"10.1111/jav.03169","DOIUrl":"10.1111/jav.03169","url":null,"abstract":"<p>The study of avian moult has been inhibited not only by its complexity but by convoluted and often conflicting terminologies that have combined to cloud the subject. Over time, two nomenclatures have emerged with differing bases of definition. The ‘life-cycle' system is used widely in the European literature (Cramp <span>1988</span>, Jenni and Winkler <span>2020</span>) and defines moult terms based on timing relative to current-day life-history events, primarily breeding. Conversely, the Humphrey–Parkes or ‘H–P' system (Humphrey and Parkes <span>1959</span>, as modified by Howell et al. <span>2003</span>), is used more widely in the New World and Australia (Higgins and Davies <span>1996</span>, Johnson and Wolfe <span>2018</span>, Pyle <span>2008</span>, <span>2022a</span>, Howell <span>2010</span>), and defines terms based on the principle of how moults have evolved along avian lineages (Howell and Pyle <span>2015</span>, Pyle <span>2022b</span>).</p><p>Recently, Kiat (<span>2023</span>) proposed that moult terminology be simplified, and advocated use of the life-cycle approach as a more understandable system to those not familiar with moult terminology. We appreciate Kiat's (<span>2023</span>) plea for a simpler moult terminology, and we empathize with the frustration that comes from learning an unfamiliar system, but we disagree with his primary conclusion. We argue that if one intends moult to be a subject for study, then a standardized and globally applicable terminology based on the best scientific evidence is preferable to a system that, while perhaps more widely understood among ornithologists and the general public for most passerines in boreal regions, is often imprecise or ambiguous and is difficult to apply to the majority of avian taxa on a global basis (Higgins and Davies <span>1996</span>, Howell et al. <span>2004</span>, Johnson and Wolfe <span>2018</span>, Kiat <span>2023</span>, Pyle <span>2022b</span>).</p><p>The debate over the best moult and plumage terminology to use has persisted since the H–P system was proposed by Humphrey and Parkes (<span>1959</span>) over 60 years ago (c.f. Howell et al. <span>2003</span>, <span>2004</span>, Jenni and Winkler <span>2004</span>, <span>2004</span>, Kiat <span>2023</span>, Pyle <span>2022b</span>). At this point, certain opinions on which system should be favoured are calcified, and we do not wish to belabour the details yet again. In our experience, however, newer students grasp the H–P system quickly, whereas older ornithologists – including ourselves – who first learned life-cycle moult terminology, often have initial difficulty envisioning the H–P system's evolutionary approach. Our goal with this perspective is to propose and illustrate how moults may have evolved from basal to current lineages in birds, with the hope that it will assist future ornithologists to envision and appreciate the H–P system.</p><p>Adhering to the evolutionary (H–P) approach, we propose considering the p","PeriodicalId":15278,"journal":{"name":"Journal of Avian Biology","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jav.03169","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139495735","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
The effect of ambient temperature on bird embryonic development: a comparison between uniparental incubating silver-throated tits and biparental incubating black-throated tits 环境温度对鸟类胚胎发育的影响:单亲孵化银喉山雀与双亲孵化黑喉山雀的比较
IF 1.7 3区 生物学
Journal of Avian Biology Pub Date : 2024-01-15 DOI: 10.1111/jav.03168
Qian Hu, Yue Wang, Gaoyang Yu, Lei Lv, Pengcheng Wang, Ye Wen, Jiliang Xu, Yong Wang, Zhengwang Zhang, Jianqiang Li
{"title":"The effect of ambient temperature on bird embryonic development: a comparison between uniparental incubating silver-throated tits and biparental incubating black-throated tits","authors":"Qian Hu,&nbsp;Yue Wang,&nbsp;Gaoyang Yu,&nbsp;Lei Lv,&nbsp;Pengcheng Wang,&nbsp;Ye Wen,&nbsp;Jiliang Xu,&nbsp;Yong Wang,&nbsp;Zhengwang Zhang,&nbsp;Jianqiang Li","doi":"10.1111/jav.03168","DOIUrl":"10.1111/jav.03168","url":null,"abstract":"<p>The temperature experienced by avian embryos during development has important impacts on their growth and post-hatching phenotypes. Ambient temperature can directly affect avian nest temperature and indirectly affect it through its impact on parental incubation behaviours. Because the nests of uniparental incubators are usually left unattended more frequently than the nests of biparental incubators whose nests can be attended by another bird when one bird leaves the nest, we predict that the effect of ambient temperature on nest temperature and thus on embryonic development (specifically, incubation period length and hatching success) and post-hatching phenotype (i.e. potential carry-over effect on nestling body mass and condition) should be greater in uniparental incubators than in biparental incubators. To test this prediction, we studied two congeneric species, the biparental incubating black-throated tits <i>Aegithalos concinnus</i> and the uniparental incubating silver-throated tits <i>A.</i> <i>glaucogularis</i>. We found that although the embryos of the two species both developed faster (shorter incubation period length) when ambient temperature was higher, the slope was significantly greater for silver-throated tits than for black-throated tits, consistent with our prediction of a greater effect of ambient temperature on embryonic development in silver-throated tits. However, the result was not due to a greater effect of ambient temperature on nest temperature, because nest temperatures of the two species had positive relationships with ambient temperature in a similar way. Therefore, it implies a greater response of silver-throated tit embryos to temperature change. In addition, ambient temperature during the incubation stage did not affect either hatching success or nestling body mass and condition in both species. Although our predictions were not fully supported, our findings highlight the different responses of embryonic development to environmental changes between a uniparental incubator and a biparental incubator, and suggest further research to explore the mechanisms.</p>","PeriodicalId":15278,"journal":{"name":"Journal of Avian Biology","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jav.03168","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139475478","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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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