Ibis最新文献

{"title":"A non-invasive genetic approach for estimating the apparent survival rate of a long-lived territorial raptor: a case study on the Golden Eagle Aquila chrysaetos","authors":"Sébastien Waterlot,&nbsp;Christian Itty,&nbsp;Arzhela Hemery,&nbsp;Yoann Bunz,&nbsp;Cécile Kaerle,&nbsp;Guillaume Queney,&nbsp;Aurélien Besnard","doi":"10.1111/ibi.13361","DOIUrl":"https://doi.org/10.1111/ibi.13361","url":null,"abstract":"<p>For long-lived species, adult survival is the parameter that theoretically has the strongest impact on population dynamics; this makes its estimate crucial for conservation management. The use of non-invasive genetic approaches coupled with capture–recapture methods is being used increasingly to estimate adult survival. Despite being regularly employed in mammals, it has been little-used in birds and notably in long-lived territorial species. This study aimed to determine if feathers obtained from eagle nests could be used to estimate the adult apparent survival rate and the costs associated with such an approach. Feather samples (<i>n</i> = 180) were collected in nests (<i>n</i> = 78) and directly from individual Golden Eagles (<i>n</i> = 36) <i>Aquila chrysaetos</i> in France and were genotyped using 17 microsatellite markers. The genotyping error rates obtained were low, with 3% amplification failures, 3.1% dropouts and 1.7% false alleles. The genetic variability of the markers was high, with a probability of identity between siblings of 6.8 × 10⁻⁶, allowing reliable individual identification. Of the feathers collected in nests, 90% were from breeding females; this allowed apparent survival to be estimated for adult females at a reasonable cost. The genotyping of three feathers collected from a nest ensured individual identification of the breeding female with near certainty. Our simulations showed that monitoring of at least 20 pairs over 5 years, or 10 pairs over 10 years is necessary to detect a 10% absolute decrease in adult apparent survival. Estimating the adult survival rate of long-lived birds using feathers collected in nests is possible. A substantial budget, albeit one that is likely to be lower than that for a common capture–recapture survey, would be needed to obtain precise survival estimates.</p>","PeriodicalId":13254,"journal":{"name":"Ibis","volume":"167 2","pages":"452-467"},"PeriodicalIF":1.8,"publicationDate":"2024-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/ibi.13361","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143646225","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}

{"title":"Acoustic cues to development of African Penguins (Spheniscus demersus) begging calls","authors":"Anna Zanoli,&nbsp;Chiara Tenneriello,&nbsp;Ilaria Morandi,&nbsp;Francesca Terranova,&nbsp;Melissa Cadman,&nbsp;Katrin Ludynia,&nbsp;Nicolas Mathevon,&nbsp;David Reby,&nbsp;Livio Favaro","doi":"10.1111/ibi.13364","DOIUrl":"https://doi.org/10.1111/ibi.13364","url":null,"abstract":"<p>Avian begging calls mediate parent–offspring conflict and direct parental care to genetically related progeny. We found that the fundamental frequency of begging calls of African Penguins <i>Spheniscus demersus</i> decreases as the penguins age and gain mass, before reaching a lower plateau when the chick reaches about 1 kg. Our results suggest that the food solicitation signals of this species may inform parents of the offspring's body mass. Our results may also lead to the development of non-invasive tools for facilitating censusing chick growth in wild colonies.</p>","PeriodicalId":13254,"journal":{"name":"Ibis","volume":"167 1","pages":"286-294"},"PeriodicalIF":1.8,"publicationDate":"2024-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/ibi.13364","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142869143","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}

{"title":"Shading by vegetation facilitates cryptic reproductive behaviour in a tropical songbird","authors":"Carlos Biagolini-Jr,&nbsp;Pedro Diniz,&nbsp;Regina H. Macedo,&nbsp;Michael S. Webster","doi":"10.1111/ibi.13363","DOIUrl":"https://doi.org/10.1111/ibi.13363","url":null,"abstract":"<p>Vegetation structural complexity surrounding nests can either provide concealment for intruders and mates or make it more difficult for hosts to recognize parasitic eggs. We investigated whether shading and vegetation aggregation increase extrapair paternity (the presence of broods with half-siblings) and intraspecific brood parasitism (IBP, the occurrence of broods with unrelated offspring) in socially monogamous Blue-black Grassquits <i>Volatinia jacarina</i>. We found that habitat shadowing was associated with increased occurrence of IBP, but found no association between the degree of shade and the presence of extrapair offspring. Our findings support the idea that habitat limits cryptic reproductive behaviours and that female grassquits may benefit from habitat shadows to parasitize conspecific nests.</p>","PeriodicalId":13254,"journal":{"name":"Ibis","volume":"167 1","pages":"277-285"},"PeriodicalIF":1.8,"publicationDate":"2024-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142869203","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}

{"title":"Visual fields, foraging and collision vulnerability in gulls (Laridae)","authors":"Jennifer C. Cantlay,&nbsp;Steven J. Portugal,&nbsp;Graham R. Martin","doi":"10.1111/ibi.13360","DOIUrl":"https://doi.org/10.1111/ibi.13360","url":null,"abstract":"<p>Wide variation in visual field configuration has been recorded among avian species and it is hypothesized that this variation is driven primarily by foraging ecology and predator detection. It has also been shown that visual field configurations can render some species more vulnerable to collisions with human artefacts that extend into open airspace, such as power lines and wind turbines. Visual fields have three main components: the monocular fields describe the extent of the world seen by each eye, the binocular field describes the region where the monocular fields overlap, and the blind area describes the region in which no vision is provided. Among birds, the topography of the binocular field, and the extent and position of the blind area, show considerable interspecific variation. Although Laridae (gulls, terns, skimmers) are a large and cosmopolitan taxon, visual field characteristics of only one species, Black Skimmer <i>Rynchops niger</i>, have been determined. However, skimmers are distinct from other Laridae species because they use a specialized foraging technique based upon tactile cues. We determined visual fields in three species of gulls (European Herring Gulls <i>Larus argentatus</i>, Lesser Black-backed Gulls <i>Larus fuscus</i>, Black-legged Kittiwakes <i>Rissa tridactyla</i>), and found that they show the key characteristics associated with visually guided foraging. However, the binocular field does not extend through the full height of the frontal field. This results in a blind sector, which can project in the direction of flight when gulls pitch their heads sufficiently far forwards to visually search the surface below. This could render gulls vulnerable to collisions with anthropogenic structures (power lines, wind turbines) that extend into the open airspace. Photographs show that gulls in level flight do pitch their heads forward sufficiently to render them almost blind in the direction of travel, and further work on the head positions adopted by gulls in flight are recommended. The visual field of skimmers differs markedly from those of gulls. Their binocular field topography is interpreted as functioning in the control of bill position when skimming (flying just above the water surface with the elongated, blade-like, rhamphotheca of the mandible extending through the water surface). Skimmers also have a blind area, which projects forwards in the direction of travel when skimming. This can be associated with the vulnerability of skimmers to collisions with objects that extend just above the water surface.</p>","PeriodicalId":13254,"journal":{"name":"Ibis","volume":"167 2","pages":"386-396"},"PeriodicalIF":1.8,"publicationDate":"2024-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/ibi.13360","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143646309","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}

{"title":"British Ornithologists’ Union – Early Professional Award 2024","authors":"Jennifer A. Gill","doi":"10.1111/ibi.13358","DOIUrl":"https://doi.org/10.1111/ibi.13358","url":null,"abstract":"&lt;p&gt;The inaugural recipient of the British Ornithologists' Union Early Professional Award is Dr Wouter Vansteelant. This award recognizes ‘an outstanding initial contribution to the field of ornithology’ in research, community activities, capacity building and mentorship, and/or science communication and engagement. Remarkably, Wouter has made outstanding contributions in all of these areas.&lt;/p&gt;&lt;p&gt;As an academic scientist, Wouter has been at the forefront of tracking individuals on their migratory journeys and revealing how they cope with the conditions they experience, how social learning informs individual migratory behaviours and how this shapes population-scale migratory patterns. Much of this work has focused on his beloved raptors, including the European Honey Buzzards, which were the subject of his PhD at the University of Amsterdam, awarded in 2016. By integrating individual migratory tracks with atmospheric models and remote-sensing information, Wouter showed that Honey Buzzards avoid particularly costly routes when travelling between Europe and Africa, but that this can occasionally mean that they encounter harsh weather in spring, delaying them sufficiently that they miss out on breeding in some years. Wouter has explored similar issues in Marsh Harriers, through international collaborative teams tracking birds across Europe, in Lesser Spotted Eagles, where tracking of translocated juveniles highlighted the importance of social learning for juvenile survival, and in Eleonora's Falcons, revealing how winds shape their extraordinary trans-African journeys.&lt;/p&gt;&lt;p&gt;In addition to his excellent academic research, Wouter is co-founder and research coordinator of the nature conservation non-governmental organization &lt;i&gt;Batumi Raptor Count&lt;/i&gt; (https://www.batumiraptorcount.org/), a truly exceptional citizen science and community engagement project monitoring raptor migration through the Batumi area of Georgia since 2008. Many hundreds of people have taken part in the standardized surveys of autumn migration through the Batumi region that Wouter and his colleagues developed. The resulting data have led to a series of important publications and the team have worked hard to ensure that these highly valuable data are digitized and available as open access. One of the exceptional features of the Batumi project is the strength of the community links that have been developed, and the insights and engagement opportunities that have followed. Wouter's role in developing and maintaining this extremely effective non-governmental organization at such an early career stage is highly inspiring.&lt;/p&gt;&lt;p&gt;Wouter has always been a passionate and committed conservationist and his most recent work in the wetlands of Doñana, in southern Spain, has focused on Black-tailed Godwits and Eurasian Spoonbills, tracking their movements around the wetlands and their subsequent journeys back to their breeding grounds. Wouter arrived in Doñana at a time when the impacts of ille","PeriodicalId":13254,"journal":{"name":"Ibis","volume":"167 1","pages":"310-311"},"PeriodicalIF":1.8,"publicationDate":"2024-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/ibi.13358","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142869113","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}

{"title":"A post-processing framework for assessing BirdNET identification accuracy and community composition","authors":"Michael C. Thompson,&nbsp;Mark J. Ducey,&nbsp;John S. Gunn,&nbsp;Rebecca J. Rowe","doi":"10.1111/ibi.13357","DOIUrl":"10.1111/ibi.13357","url":null,"abstract":"<p>Passively collected acoustic data have become increasingly common in wildlife research and have prompted the development of machine-learning approaches to extract and classify large sets of audio files. BirdNET is an open-source automatic prediction model that is popular because of its lack of training requirements for end users. Several studies have sought to test the accuracy of BirdNET and illustrate its potential in occupancy modelling of single or multiple species. However, these techniques either require extensive statistical knowledge or computational power to be applied to large datasets. In addition, there is a lack of comparisons of occupancy and community composition calculated using BirdNET and typical field methods. Here we develop a framework for assessing the accuracy of BirdNET using generalized linear mixed models to determine species-specific confidence score thresholds. We then compare community composition under our model and another post-processing approach to field data collected from co-located point count surveys in northeastern Vermont. Our framework outperformed the other post-processing method and resulted in species composition similar to that of point count surveys. Our work highlights the potential mismatch between accuracy and confidence score and the importance of developing species-specific thresholds. The framework can facilitate research on large acoustic datasets and can be applied to output from BirdNET or other automatic prediction models.</p>","PeriodicalId":13254,"journal":{"name":"Ibis","volume":"167 2","pages":"530-542"},"PeriodicalIF":1.8,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/ibi.13357","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142258141","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}

{"title":"Correction to “Monitoring wader breeding productivity”","authors":"","doi":"10.1111/ibi.13355","DOIUrl":"10.1111/ibi.13355","url":null,"abstract":"<p>Jarrett, D., Lehikoinen, A. &amp; Willis, S. 2024. Monitoring wader breeding productivity. <i>Ibis</i> <b>166</b>: 780–800.</p><p>The following changes were made to the above published article.</p><p>The name of the third author should be “Stephen G. Willis”, not “Steve Willis”.</p><p>The name of the host institute for Jarrett and Willis should have been the ‘Department of Biosciences’ and not the ‘School of Biological and Biomedical Sciences’.</p><p>Finally, the acknowledgements section should have stated that “This work was funded by Leverhulme Trust Doctoral Studentship Grant DS-2017-070 (Interdisciplinary Understanding for a Changing Arctic)”.</p><p>The original published article has been updated to reflect these changes.</p><p>We apologize for this error.</p>","PeriodicalId":13254,"journal":{"name":"Ibis","volume":"166 4","pages":"1430"},"PeriodicalIF":1.8,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/ibi.13355","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142225571","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}

{"title":"A feathered past: Colonial influences on bird naming practices, and a new common name for Ardenna carneipes (Gould 1844)","authors":"Alexander L. Bond,&nbsp;Jennifer L. Lavers","doi":"10.1111/ibi.13356","DOIUrl":"10.1111/ibi.13356","url":null,"abstract":"<p>Recently, there has been increased focus on the origins and history of common names for organisms, especially birds. Of particular interest are eponymous common names that reflect our colonial past. While identification of alternative names can be straightforward for some species, for those that migrate across jurisdictions including the lands of multiple Traditional Owner/Indigenous groups, reaching consensus on a single name that reflects the features of the species and their cultural importance can be substantially more complex. Using the migratory <i>Ardenna carneipes</i> as a case study, we propose a new common name (Sable Shearwater) for the species and discuss the many challenges that others will need to consider when navigating this important yet sensitive space.</p>","PeriodicalId":13254,"journal":{"name":"Ibis","volume":"166 4","pages":"1413-1418"},"PeriodicalIF":1.8,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/ibi.13356","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142225568","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}

{"title":"Temporal and spatial variation in trophic scenarios affects population demographic heterogeneity in Bonelli's Eagle (Aquila fasciata)","authors":"Antonio Hernández-Matías,&nbsp;Iván Peragón,&nbsp;Jaime Resano-Mayor,&nbsp;Marcos Moleón,&nbsp;Emilio Virgós,&nbsp;Joan Real","doi":"10.1111/ibi.13351","DOIUrl":"10.1111/ibi.13351","url":null,"abstract":"<p>The recognition of individual variation has fundamental implications for ecological, evolutionary and biodiversity conservation. There is increasing theoretical interest in how spatial and temporal variation in the environment can create differences in the demographic contribution of individuals over space and time. However, empirical information about the characteristics of the environmental drivers of key vital rates and their spatiotemporal variation is still scarce. Here, we used data generated by a monitoring scheme (1990–2015) of a population of a long-lived territorial avian predator, Bonelli's Eagle <i>Aquila fasciata</i>, which included estimations of individuals' diet through stable isotope analysis (2008–15), to evaluate whether temporal consistency in spatially structured dietary patterns affects key demographic parameters, namely productivity and survival, at territory scales. We found strong within-population heterogeneity in survival and reproduction rates associated with Eagle territories, with territory average values ranging, respectively, from 0.58 to 1.00 and from 0 to 1.71 for the overall study period. Reproduction and survival were predictable over, respectively, 4- and 3-year periods for the bulk of the population, which suggests that the environmental drivers of these vital rates changed at these temporal scales. Interestingly, the characteristics of and the temporal variation in the diets of territorial individuals during these periods were associated with their survival and reproduction. Based on these findings, we suggest that spatial and temporal variations in trophic scenarios potentially act as meaningful drivers of intrapopulation demographic heterogeneity.</p>","PeriodicalId":13254,"journal":{"name":"Ibis","volume":"167 1","pages":"179-195"},"PeriodicalIF":1.8,"publicationDate":"2024-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/ibi.13351","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142225569","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}

{"title":"Conservation and management implications of the effects of wildfire on a threatened Eastern Iberian Reed Bunting (Emberiza schoeniclus witherbyi) population","authors":"Iván Alambiaga,&nbsp;Pablo Vera,&nbsp;David García,&nbsp;Maties Rebassa,&nbsp;Juan S. Monrós","doi":"10.1111/ibi.13352","DOIUrl":"10.1111/ibi.13352","url":null,"abstract":"<p>Wetland degradation worldwide has led to fragmentation and isolation of diminished populations that are now more vulnerable to disturbance. Wildfires affecting wetlands can have major impacts on vegetation structure and associated waterbird communities, but rapid recovery of the initial state of vegetation cover after fire due to fast emergent vegetation dynamism has turned prescribed fire into a recurrent management method in these systems. S'Albufera de Mallorca Natural Park (Balearic Islands, Spain) was affected in 2020 by a wildfire that impacted 25% of the wetland area, including territories of Eastern Iberian Reed Bunting <i>Emberiza schoeniclus witherbyi</i>, a nationally critically endangered subspecies. In this study we analysed potential effects of wildfire on the breeding population of this subspecies to determine how active fire management could contribute to its conservation. Specifically, we tested whether there were structural variations in marsh vegetation as well as changes in Eastern Iberian Reed Bunting territory distribution and spatial ecology of breeding males 3 years after the fire. There were no differences in vegetation structure between affected and unaffected areas, but there was an increased density of breeding territories and higher male home-range overlap in affected areas after burning. Home-range size was not influenced by fire but by habitat, with males established in saw sedges having larger home-ranges than those in reed beds, probably due to greater movements in safer saw sedge nesting habitats with lower food availability. Prescribed fire may be a useful and cost-effective conservation tool for Eastern Iberian Reed Bunting populations by creating heterogeneous areas of mixed reed and saw sedge as suitable habitat patches for this subspecies.</p>","PeriodicalId":13254,"journal":{"name":"Ibis","volume":"167 1","pages":"196-211"},"PeriodicalIF":1.8,"publicationDate":"2024-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/ibi.13352","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142225570","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}