Ibis最新文献

{"title":"Artificial light at night affects the timing of roosting by Chimney Swifts","authors":"Emma Dougherty,&nbsp;Harald F. Parzer,&nbsp;Elise R. Morton","doi":"10.1111/ibi.13296","DOIUrl":"10.1111/ibi.13296","url":null,"abstract":"<p>Understanding the impact of anthropogenic threats, such as light pollution, on biodiversity is necessary to establish effective guidelines to protect diminishing wildlife. In this study, we examined the effect of artificial light at night (ALAN) on the roosting behaviour of Chimney Swifts <i>Chaetura pelagica</i>, a highly threatened migratory bird species that lives commensally with humans, where it often breeds and roosts in artificial structures such as chimneys. Although Chimney Swifts are known to use time of sunset in combination with temperature, wind and season to coordinate roost entry, we predicted that high ALAN exposure would override these natural cues and lead to a delayed entry compared with sites with less light pollution. To test this, we examined the effects of ALAN on the start and end times of entry to 21 roosting sites located along a light pollution gradient in New Jersey and the New York Metropolitan area. We found that ALAN was a significant predictor of roosting entry time, with birds entering later in sites with more light pollution. While Chimney Swifts initiated roosting earlier in the summer months compared with the autumn, this effect was absent in areas with high light pollution. These findings highlight the need to determine the causes and consequences of light pollution effects.</p>","PeriodicalId":13254,"journal":{"name":"Ibis","volume":"166 2","pages":"732-741"},"PeriodicalIF":2.1,"publicationDate":"2024-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139560959","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":"Differential impact of anthropogenic noise during the acoustic development of begging calls in Blue Tits (Cyanistes caeruleus)","authors":"Javier Sierro,&nbsp;Selvino R. de Kort,&nbsp;Ian R. Hartley","doi":"10.1111/ibi.13299","DOIUrl":"10.1111/ibi.13299","url":null,"abstract":"<p>In many bird species, nestling begging signals play a key role in the interaction between parents and their offspring during development. The information conveyed by begging calls can be disrupted by anthropogenic noise, which is one of the major threats to biodiversity in increasingly urbanized landscapes. Here, we describe the developmental change in acoustic structure of begging calls in nestling Eurasian Blue Tits <i>Cyanistes caeruleus</i>; begging calls are pure-tone, low-frequency, soft calls during the first days of development and gradually turn into white-noise, hiss-like, powerful calls of broadband frequency. This strong developmental variation highlights the importance of an extended sampling scheme in developmental studies. Furthermore, we pinpoint two phases where begging calls could be most vulnerable to masking by anthropogenic noise. First, during early development, begging calls are very soft and low-pitched, closer to high-intensity noise bands of traffic noise. Secondly, around day 11, begging calls show reduced tonality, which implies higher degradation, and relatively low amplitude, which implies reduced signal range. We encourage future research to describe acoustic development of begging calls in other species, to provide a robust foundation that will make noise mitigation policies more effective.</p>","PeriodicalId":13254,"journal":{"name":"Ibis","volume":"166 3","pages":"1064-1072"},"PeriodicalIF":1.8,"publicationDate":"2024-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/ibi.13299","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139465231","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":"Remote tracking unveils intercontinental movements of nomadic Short-eared Owls (Asio flammeus) with implications for resource tracking by irruptive specialist predators","authors":"John Calladine,&nbsp;Gunnar Thor Hallgrimsson,&nbsp;Neil Morrison,&nbsp;Chris Southall,&nbsp;Hallgrimur Gunnarsson,&nbsp;Fernando Jubete,&nbsp;Fabrizio Sergio,&nbsp;François Mougeot","doi":"10.1111/ibi.13304","DOIUrl":"10.1111/ibi.13304","url":null,"abstract":"<p>Nomadic species can rely on unpredictable resources making them challenging to understand and, consequently, to conserve. Here, we present knowledge advancement for a nomadic predator, the Short-eared Owl <i>Asio flammeus</i>, by tracking individuals from a wide latitudinal range inclusive of most breeding populations in western Europe (Iceland, Scotland and Spain). Tracked owls showed pronounced plasticity in both inter- and intra-individual behaviour. Distances between sequential breeding areas of individual owls ranged from 41 to 4216 km, with similar low fidelity to areas used at other times of year. Owls spent most (&gt; 60%) of their time occupying home-ranges (including breeding) and least (&lt; 10%) undertaking long-distance movements. The propensity for long-distance movements was least for the most geographically isolated population, Iceland. Annual survival rates of 47% were lower than expected for an owl of comparable body mass with mortality concentrated during long-distance displacements and immediately after breeding. Extensive, nomadic travel to find areas where large broods might be reared may incur carry-over costs that lower survival. Conservation planning and assessment for nomadic species and their habitats must acknowledge the uncertainties associated with nomadism at scales from local to international.</p>","PeriodicalId":13254,"journal":{"name":"Ibis","volume":"166 3","pages":"896-908"},"PeriodicalIF":1.8,"publicationDate":"2024-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139415045","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":"Temporal constraints influence reproductive characteristics that are related to the pace-of-life continuum in geese","authors":"Kirsty E. B. Gurney,&nbsp;Ray T. Alisauskas,&nbsp;Jordyn A. Stalwick,&nbsp;Thomas F. Fondell","doi":"10.1111/ibi.13301","DOIUrl":"10.1111/ibi.13301","url":null,"abstract":"<p>Among avian species, particularly those with altricial young, life-history strategies are characterized by a ‘slow’ pace-of-life at lower latitudes, where relatively low annual investments in reproduction are traded-off for increased survival. Evidence for this pattern in precocial species, however, is equivocal, and questions about ecological drivers of latitudinal variation in reproduction remain. To better understand spatial variation in pace-of-life and related reproductive traits across bird species and to test a hypothesis that might explain observed spatial patterns, we analysed breeding data from closely related Canada Geese <i>Branta canadensis</i> and Cackling Geese <i>Branta hutchinsii</i>, hereafter Canada-type geese, comprising eight sub-species from 16 sites across a broad gradient of latitude (32°N to 69°N) and season length. Unlike the pattern reported for many altricial species, Canada-type geese did not show reduced annual fecundity at lower latitudes, and instead this reduced reproductive investment was at higher latitudes. For three of five reproductive traits, the relative influence of growing season length (GSL; an index of the time available to breed) was greater than that of latitude. A shorter GSL resulted in later nest initiations, shorter pre-laying intervals and higher seasonal rates of clutch size decline. Our results suggest that these and other species of geese are able to circumvent nutritional and temporal constraints imposed by shorter GSL by storing and using nutrient reserves for egg laying and incubation. Relative flexibility in reproductive traits may permit Canada-type geese to accommodate predicted increases in climatic variability, compared to species with more rigid reproductive strategies.</p>","PeriodicalId":13254,"journal":{"name":"Ibis","volume":"166 3","pages":"844-856"},"PeriodicalIF":1.8,"publicationDate":"2024-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/ibi.13301","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139415095","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":"Citizen science data confirm that expanding non-breeding distributions of goose and swan species correlate with their increasing abundance","authors":"Henning Heldbjerg,&nbsp;Timme Nyegaard,&nbsp;Preben Clausen,&nbsp;Rasmus Due Nielsen,&nbsp;Anthony D. Fox","doi":"10.1111/ibi.13302","DOIUrl":"10.1111/ibi.13302","url":null,"abstract":"<p>We combined data from two independent Danish citizen science time-series to describe changes in (1) abundance and (2) distribution of 12 wintering populations of geese and swans and tested the hypothesis that increases in national abundance since 2003 correlated with an expansion into formerly unoccupied winter farmland habitat. Five populations showed significant increases in national abundance, two declined and the remainder showed no significant trend over the same period; nine populations (including the five nationally increasing and two nationally declining) showed significantly positive correlations between annual abundance and distribution range size, including one stable population and one showing only local expansion. These results support our prediction that the five key increasing goose and swan populations benefiting from farmland exploitation are showing the greatest correlation between changes in abundance and wintering range in Denmark. This implies that continued growth in abundance in these populations will lead to continued expansion in their ranges, which will not only increase the potential for agricultural conflict with increasing abundance, but importantly also the geographical extent of such conflicts.</p>","PeriodicalId":13254,"journal":{"name":"Ibis","volume":"167 1","pages":"88-96"},"PeriodicalIF":1.8,"publicationDate":"2024-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/ibi.13302","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139094089","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":"Genomic insights into the evolutionary and demographic histories of the extinct Hoopoe Starling (Fregilupus varius)","authors":"Jérôme Fuchs,&nbsp;Per G. P. Ericson,&nbsp;Martin Irestedt","doi":"10.1111/ibi.13300","DOIUrl":"10.1111/ibi.13300","url":null,"abstract":"<p>The Hoopoe Starling <i>Fregilupus varius</i> is an extinct species of the Sturnidae that was endemic to Réunion Island in the Indian Ocean. The species rapidly disappeared in the middle of the 19th century, primarily because of overexploitation by humans. We generated an approximately 11× coverage genome to reconstruct the demographic history of the Hoopoe Starling and compared these results with the demographic histories of other starlings and myna species. Our analyses confirmed the close affinities of the Hoopoe Starling with the genera <i>Sturnia</i>, <i>Leucopsar</i> and <i>Sturnornis</i>, and revealed that it went through a strong population bottleneck during its evolutionary history, but that its effective population size was not particularly low when compared with other extinct or critically endangered species of birds.</p>","PeriodicalId":13254,"journal":{"name":"Ibis","volume":"166 3","pages":"1073-1080"},"PeriodicalIF":1.8,"publicationDate":"2024-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/ibi.13300","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139096513","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 Records Committee (BOURC): 56th Report (January 2024)","authors":"","doi":"10.1111/ibi.13279","DOIUrl":"10.1111/ibi.13279","url":null,"abstract":"&lt;p&gt;This report covers the period October 2022 to September 2023. The 55th Report appeared in &lt;i&gt;Ibis&lt;/i&gt; 165: 360–363.&lt;/p&gt;&lt;p&gt;The following changes have been made to the British List.&lt;/p&gt;&lt;p&gt;The following subspecies are added to the British List in accordance with earlier iterations of the &lt;i&gt;IOC World Bird List&lt;/i&gt; (https://www.worldbirdnames.org):&lt;/p&gt;&lt;p&gt;The Eider subspecies &lt;i&gt;Somateria mollissima faeroeensis&lt;/i&gt; is recognized as a valid taxon by the IOC, with birds breeding in Shetland, Orkney and the Outer Hebrides apparently pertaining to this taxon, with the new annotation being:&lt;/p&gt;&lt;p&gt;The release of versions 13.1 and 13.2 of the &lt;i&gt;IOC World Bird List&lt;/i&gt; results in a number of changes to the British List. These include:&lt;/p&gt;&lt;p&gt;Tibetan Sand Plover &lt;i&gt;Charadrius atrifrons&lt;/i&gt; is split from Lesser Sand Plover &lt;i&gt;C. mongolus&lt;/i&gt; (re-named Siberian Sand Plover) based on phenotypic differences and phylogenetic analysis. The new annotation is:&lt;/p&gt;&lt;p&gt;Historically, bird taxonomy was largely based on morphology, but in recent decades molecular genetic and bioacoustic data have been used to refine species limits, resulting in the recognition of many new species-level taxa, both through the elevation of subspecies to species status and through the identification and designation of new taxonomic units. Many of these new species are difficult to identify in the field and necessitate a pragmatic approach from rarities committees. For example, if systematic revisions result in a split leaving a restricted range resident species with limited or no long-distance vagrancy potential and a highly-migratory sister species with high vagrancy potential then the burden of assessment proof need not consider elimination of the resident taxon if this is difficult or impossible under field conditions (and if the escape potential of this taxon is also negligible) e.g. the recent splits of Himalayan Bluetail &lt;i&gt;Tarsiger rufilatus&lt;/i&gt; from Red-flanked Bluetail &lt;i&gt;T. cyanurus&lt;/i&gt; and Salim Ali's Swift &lt;i&gt;Apus salimalii&lt;/i&gt;, Blyth's Swift &lt;i&gt;A. leuconyx&lt;/i&gt;, and Cook's Swift &lt;i&gt;A. cooki&lt;/i&gt; from Pacific Swift &lt;i&gt;A. pacificus&lt;/i&gt;. Obviously, if identification is possible by obtaining a DNA sample or through acoustic recordings then confirmation is desirable, but the absence of these need not be a barrier to formal acceptance to the British List. Therefore, BOURC will take a pragmatic approach to any such species pairing or groups on a case-by-case basis, where it is overwhelmingly likely that a record pertains to one cryptic species and not others; when this is not the case, the species group will be added to Appendix 4 (&lt;i&gt;Ibis&lt;/i&gt; 164: 909–910).&lt;/p&gt;&lt;p&gt;Traditionally, records of vagrants considered by rarities committees will have been found and identified in the field by human observers supplemented by field notes; historically often the specimen of the bird would have been provided too. In recent decades submissions have usually also included supporting ‘rich media’ in the ","PeriodicalId":13254,"journal":{"name":"Ibis","volume":"166 1","pages":"348-352"},"PeriodicalIF":2.1,"publicationDate":"2023-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/ibi.13279","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138825570","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":"Crystal Structures of <i>Lacticaseibacillus</i> 4-Deoxy-L-<i>threo-</i>5-hexosulose-uronate Ketol-isomerase KduI in Complex with Substrate Analogs.","authors":"Hisamu Iwase, Yuta Yamamoto, Akifumi Yamada, Keigo Kawai, Sayoko Oiki, Daisuke Watanabe, Bunzo Mikami, Ryuichi Takase, Wataru Hashimoto","doi":"10.5458/jag.jag.JAG-2023_0003","DOIUrl":"10.5458/jag.jag.JAG-2023_0003","url":null,"abstract":"<p><p>Some probiotics including lactobacilli, colonize host animal cells by targeting glycosaminoglycans (GAGs), such as heparin, located in the extracellular matrix. Recent studies have shown that several lactic acid bacteria degrade GAGs. Here we show the structure/function relationship of <i>Lacticaseibacillus rhamnosus</i> 4-deoxy-L-<i>threo</i>-5-hexosulose-uronate ketol-isomerase (KduI) crucial for metabolism of unsaturated glucuronic acid produced through degradation of GAGs. Crystal structures of ligand-free and bound KduIs were determined by X-ray crystallography and the enzyme was found to consist of six identical subunits and adopt a β-helix as a basic scaffold. Ligands structurally similar to the substrate were bound to the cleft of each enzyme subunit. Several residues located in the cleft interacted with ligands through hydrogen bonds and/or C-C contacts. In addition to substrate analogs, a metal ion coordinated to four residues, His198, His200, Glu205, and His248, in the cleft, and the enzyme activity was significantly inhibited by a chelator, ethylenediaminetetraacetic acid. Site-directed mutants in Arg163, Ile165, Thr184, Thr194, His200, Arg203, Tyr207, Met262, and Tyr269 in the cleft exhibited little enzyme activity, indicating that these residues and the metal ion constituted an active site in the cleft. This is the first report on the active site structure of KduI based on the ligand-bound complex.</p>","PeriodicalId":13254,"journal":{"name":"Ibis","volume":"102 1","pages":"99-107"},"PeriodicalIF":1.1,"publicationDate":"2023-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10792219/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85199848","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":"Revisiting the systematic position of the enigmatic Nicobar Bulbul (Ixos nicobariensis)","authors":"Naman Goyal,&nbsp;Ashwin Warudkar,&nbsp;Vishnupriya Kolipakam,&nbsp;Bhawana Pant,&nbsp;Sivakumar Kuppusamy,&nbsp;Pratap Singh,&nbsp;Qamar Qureshi,&nbsp;Manoj V. Nair","doi":"10.1111/ibi.13297","DOIUrl":"10.1111/ibi.13297","url":null,"abstract":"<p>The Nicobar Bulbul <i>Ixos nicobariensis</i> is an endemic species found across the central Nicobar Islands whose systematic position has been debated for many decades. Its current placement in the genus <i>Ixos</i> is tentative and is based on morphological similarities and geographical affinities to other members of the genus. We used mitochondrial and nuclear markers to examine its phylogenetic relationship to other members of <i>Ixos</i> and <i>Hypsipetes</i>. Our results indicate that the Nicobar Bulbul is sister to members of the genus <i>Hypsipetes</i>, and not <i>Ixos</i>. We further discuss the origin of this species based on the results of our study.</p>","PeriodicalId":13254,"journal":{"name":"Ibis","volume":"166 3","pages":"1059-1063"},"PeriodicalIF":1.8,"publicationDate":"2023-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139023892","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":"Monitoring wader breeding productivity","authors":"David Jarrett,&nbsp;Aleksi Lehikoinen,&nbsp;Steve Willis","doi":"10.1111/ibi.13298","DOIUrl":"10.1111/ibi.13298","url":null,"abstract":"<p>A robust understanding of the mechanisms driving demographic change in wild animal populations is fundamental to the delivery of effective conservation interventions. Demographic change can be driven by variation in adult survival, recruitment of juveniles into the breeding population or breeding productivity – the number of fledglings produced per breeding pair. Across Europe, low breeding productivity in wader populations has been a significant driver of population decline, increasing the importance of gathering accurate data on breeding productivity. Monitoring wader breeding productivity is challenging because finding nests can be time-consuming and requires experienced fieldworkers; wader chicks are nidifugous and difficult to count due to their cryptic behaviour; and waders often have high re-laying rates following nest failure, meaning that hatching or fledging can be highly asynchronous. This paper reviews approaches to estimating breeding productivity where fieldworkers either record the agitation or alarm-calling behaviour of adults with dependent young, make direct observations of broods on survey visits, or both. Using a systematic literature search (restricted to Europe where most of these studies have taken place) we identified 38 peer-reviewed papers which used this approach. The productivity metrics produced can be divided into the following categories: (i) ‘Hatching Success’ (HS), (ii) ‘Fledging Success’ (FS) and (iii) ‘Young Fledged Per Pair’ (YFP), from the coarsest to the most precise. The first two metrics are most often used when direct observations of broods are not possible due to the behaviour of broods or vegetation structure; YFP is preferred if brood counts are possible. Design of an appropriate metric depends on (i) whether accurate brood counts are possible; (ii) whether adults exhibit diagnostic agitation behaviour when young are present; (iii) whether individual breeding territories are separable; (iv) whether re-nesting rates are assumed to be high; and (v) the availability of experienced surveyors (particularly where behavioural observations are required). Globally there are many wader species for which the methods described here could provide valuable information and we hope this review encourages further development or adoption of these methods.</p>","PeriodicalId":13254,"journal":{"name":"Ibis","volume":"166 3","pages":"780-800"},"PeriodicalIF":1.8,"publicationDate":"2023-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/ibi.13298","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138690734","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}