Ibis

Article	Citations
BOU Page	91
British Ornithologists’ Union Records Committee (BOURC): 57th Report (January 2025)	72
Monitoring wader breeding productivity	45
Large‐scale depth‐related seasonal distribution patterns of a benthic‐feeding sea duck in two contrasting marine systems	37
Competitive events during nest‐building influence offspring growth and behaviour, but not testosterone deposition in the egg yolk in Western Bluebirds (Sialia mexicana)	28
A new species of nightjar (Caprimulgus) from Timor and Wetar, Lesser Sunda Islands, Wallacea	26
Similar survival of birds between wet and seasonally dry Neotropical environments	24
Re‐assessing the phylogenetic status and evolutionary relationship of Forest Owlet (Athene blewitti (Hume 1873)) using genomic data	24
Simultaneous passive acoustic monitoring uncovers evidence of potentially overlooked temporal variation in an Amazonian bird community	22
Variation in mesopredator abundance and nest predation rate of the endangered Strange‐tailed Tyrant (Alectrurus risora)	20
Using citizen science image analysis to measure seabird phenology	19
BOU Page	18
Book Reviews	18
The adaptive function of construction of multiple non‐breeding nests in birds	18
Acknowledgement of Reviewers	18
DNA metabarcoding complements but does not replace direct observations of penguin predation by corvids	17
No detrimental effects of wing‐harnessed GPS devices on the breeding performance of Yellow‐legged Gulls (Larus michahellis): A multi‐colony evaluation	17
Investigating connectivity and seasonal differences in wind assistance in the migration of Common Sandpipers	17
Song complexity is associated with habitat quality in an upland passerine	17
The potential for climate change to intensify nest‐site competition between two sympatric owl species	15
Corrigendum to: Knowledge gaps and biases in the Pantanal indicate future directions for ornithological research in large wetlands	15
Alternative future land use options in the British uplands	14
Source amplitude increases with body‐mass across avian genera	14
Factors determining nest‐site selection of surface‐nesting seabirds: a case study on the world's largest pelagic bird, the Wandering Albatross (Diomedea exulans)	14
Using acoustic indices to detect interspecific bird interactions and behaviour	14

The structural function of the bubbling call of the female common cuckoo (Cuculus canorus)	13
Spatio‐temporal differences in the diet and trophic ecology of Kelp Gulls (Larus dominicanus) in South Africa	12
Demography of Common Swifts (Apus apus) breeding in the UK associated with local weather but not aphid biomass	12
Using satellite tracking to assess the use of protected areas and alternative roosts by Whooper and Bewick's Swans	12
Moult chronology and strategies of sympatric Great (Ardenna gravis) and Sooty (A. grisea) Shearwaters based on stable isotope analysis	11
Absence of negative effect of GPS‐tags on survival and breeding success in a long‐lived territorial raptor	11
Nest reliefs in a cryptically incubating shorebird are quick, but vocal	11
British Ornithologists Union: Janet Kear Union Medal	11
Nest attachment, rather than nest type, correlates with passerine bird brain size	11
Erratum	11
Structured phylogeography and restricted gene flow among populations of Fairy Tern (Sternula nereis) across Australasia: implications for the endangered New Zealand population	10
Factors determining persistent asymmetry and egg shape in birds: A hypothesis	10
Unexpected diversity of alternative reproductive tactics revealed in Water Rails (Rallus aquaticus)	10
Essential steps for establishing a large‐scale passive acoustic monitoring for an elusive forest bird species: the Eurasian Woodcock (Scolopax rusticola)	10
The ongoing narrative of Ivory‐billed Woodpecker rediscovery and support for declaring the species extinct	10
Estimating Little Penguin population sizes using automated acoustic monitoring and citizen science	10
Comparative support for the social complexity hypothesis in the calls of two closely related species – Tufted Titmice Baeolophus bicolor and Black‐crested Titmice B. atricristatus	10
Bird deterrent measures at a landfill decreased the productivity of a dependent population of White Stork (Ciconia ciconia)	9
Predicting population trends of birds worldwide with big data and machine learning	9
Variability of a consistent trait: The size of the white wing patch in European Stonechats (Saxicola rubicola rubicola)	9
	9
Male Superb Lyrebirds (Menura novaehollandiae) perform an ornate multimodal display immediately following copulation	9
Split moult: a response to time constraints during the main moult period	9
State‐dependent environmental sensitivity of reproductive success and survival in a shorebird	9
Thermal effects of plumage coloration	8
Connection between ecological niche changes and population trends in the Eurasian Skylark (Alauda arvensis) breeding in lowland and mountain areas of Southern Europe	8
	8
Foraging niche partitioning within a recently established guild of falcons	8
The importance of wetland habitat area for waterbird species‐richness	8
Species characteristics predict the effectiveness of avian survey methods in an Afromontane sky‐island	8
Artificial light alters spatial and temporal habitat use by a crepuscular aerial insectivore	8
Welcome aboard: are birds migrating across the Mediterranean Sea using ships as stopovers during adverse weather conditions?	8
Nest survival of threatened Eurasian Curlew (Numenius arquata) breeding at low densities across a human‐modified landscape	8
Causes of vagrancy of North Asian passerines in western Europe	7
Unlocking avian museum collections to enable and advance environmental change research	7
Temporal constraints influence reproductive characteristics that are related to the pace‐of‐life continuum in geese	7
Distinct bird communities in forests and fruit farms of Caatinga landscapes	7
Acknowledgement of Reviewers	7
Variation in nest‐site occupancy and breeding outcome in a threatened Subantarctic raptor	7
Dynamic changes in the avian gut microbiome in response to diverse lifestyles	7
Acknowledgement of Reviewers	7
	7
Space–time home‐range estimates and resource selection for the Critically Endangered Philippine Eagle on Mindanao	7
The influence of sample size on two approaches to estimate Black Grouse Lyrurus tetrix population size using non‐invasive sampling methods	6
British Ornithologists' Union – Early Professional Award 2025	6
Functions of avian elongated tails, with suggestions for future studies	6
The effect of conservation interventions on the abundance of breeding waders within nature reserves in the United Kingdom	6
British Ornithologists’ Union Records Committee (BOURC): 56th Report (January 2024)	6
Riparian forests and open landscapes in the West African Sahel are key wintering habitats for the threatened European Turtle‐dove (Streptopelia turtur)	6
Acoustic niche partitioning among seven cuckoo species in a forest in eastern China	6

BOU Page	6
Citizen science data confirm that expanding non‐breeding distributions of goose and swan species correlate with their increasing abundance	6
	6
Irruptions of crossbills Loxia spp. in northern Europe – patterns and correlations with seed production by key and non‐key conifers	6
Estimating the mass of the Great Auk (Pinguinus impennis) and its egg	6
Stable isotope data indicate origins of mislabelled historical bird specimens	6
Guild‐level response to Hurricane Carlotta among birds in a Mexican wetland	5
The Red‐billed Leiothrix (Leiothrix lutea): a new invasive species for Britain?	5
Book Review	5
A distinct new species ofZosteropswhite‐eye from the Sulawesi region, Indonesia	5
Contents	5
Erratum	5
Divergent foraging habitat preferences between summer‐breeding and winter‐breedingProcellariapetrels	5
Morphological differences between wild and game‐farm Mallards (Anas platyrhynchos) in North America	5
	5
Issue Information	5
Long‐term increase in female body condition and its effect on reproduction in two European red‐listed species, Common Pochard (Aythya ferina) and Tufted Duck (Aythya fuligula)	5
Temperature sensitivity of breeding phenology and reproductive output of the Common Redstart (Phoenicurus phoenicurus)	5
Book Review	5
Issue Information	5
Variable social organization and breeding system of a social parrot revealed by genetic analysis	5
Soft song provokes stronger aggressive responses than broadcast song in the Plain Laughingthrush (Pterorhinus davidi)	5
Inadequate reproductive success is a potential cause of Spotted Flycatcher (Muscicapa striata) population decline in England	5
Behavioural responses are associated with mortality and mobility after reintroduction in the endangered Yellow Cardinal	5
Wintering area and experience effects on spring migration strategies, timing and breeding success in Icelandic‐nesting Common Scoters (Melanitta nigra)	5
Using model‐based distance sampling to estimate decadal population change in Northern Gannets (Morus bassanus) across periods spanned by different at‐sea survey methods	5
Conservation and management implications of the effects of wildfire on a threatened Eastern Iberian Reed Bunting (Emberiza schoeniclus witherbyi) population	5
Effects of sex and sampling site on the relative proportion of pesticides in uropygial gland secretions of European Blackbirds (Turdus merula)	5
Challenges in population monitoring: Bar‐tailed Godwits (Limosa lapponica) on the East Atlantic Flyway defy assumed population structure	5
Population genetics and phylogeography of North American Merlins (Falco columbarius) in thepost‐DDT era	4
Contents	4
Life in the fast and slow lanes: contrasting timing of annual cycle events in high‐ and mid‐latitude breeding Whooper Swans (Cygnus cygnus)	4
Multi‐scale habitat overlap in two broad‐ranged sympatric Neotropical forest eagles reveals shared environmental space and habitat use	4
The need for a flyway approach in defining the onset of prenuptial migration of huntable bird species across Europe	4
Non‐breeding home range and habitat use by European Pied Flycatcher (Ficedula hypoleuca) in northwest Liberia: apparent resilience to forest degradation?	4
The Eurasian Treecreeper (Certhia familiaris) has an effective camouflage against mammalian but not avian vision in boreal forests	4
Experience increases defensive responses of White‐fronted Woodpeckers towards the invasive European Starling	4
A comparison of foraging‐range sizes, flight distances and foraging habitat preferences in urban and rural House Sparrow (Passer domesticus) populations	4
Nesting and post‐fledging predation risk influence diel patterns of songbird fledging	4
Day–night cycle influences the division of incubation in the Hooded Dotterel (Thinornis cucullatus)	4
Seasonal, environmental and individual determinants of double‐brooding in the White‐throated Dipper (Cinclus cinclus)	4
Identifying the winter grounds of the recently described Barbary Reed Warbler (Acrocephalus baeticatus ambiguus)	4
Book Reviews	4
British Ornithologists' Union – Godman Salvin Prize	4
Weak niche partitioning between closely related sympatric Greater (Clanga clanga) and Lesser Spotted Eagles (C. pomarina)	4
Perceived risks and rewards of foraging sites strongly affect density and condition of non‐breeding Hudsonian Godwits	4
Community science data suggest the most common raptors (Accipitridae) in urban centres are smaller, habitat‐generalist species	4
Peter J. Jones 1945–2024	4
Michael (Mike) Guy Wilson, MA, MBOU (1942–2022)	4
Abundance determines core–periphery roles of birds in a Neotropical seed dispersal network	4
Disturbance‐dependent Yellow‐legged Gull (Larus michahellis) predation on Larid chicks decreases with chick age	4
Natal philopatry, dispersal and age of first breeding in relation to size and sex of Arctic Terns (Sterna paradisaea)	4
Ski‐pistes can compensate for the climate change‐driven loss of bird communities of avalanche tracks in the Alps	4
Evaluation of ongoing Crested Ibis (Nipponia nippon) reintroduction using an integrated population model and Bayesian population viability analysis	4
A diet perspective on the impact of the COVID‐19 lockdown on urban bird assemblages	4
Issue Information	4
Using empirical data analysis and expert opinion to identify farmland‐associated bird species from their habitat associations	4
The acoustic playback technique in avian fieldwork contexts: a systematic review and recommendations for best practice	4
Assessing long‐term dynamics of non‐breeding Brown Pelican (Pelecanus occidentalis) populations using Christmas Bird Count data	4
Corrigendum	3
Moult phenology advances under hot or dry conditions for two passerines across 16 years in a Mediterranean climate	3
Nest clustering correlates with breeding phenology rather than female relatedness in Red‐breasted Mergansers (Mergus serrator)	3
GPS tracking of the two subspecies of the eastern buzzard (Buteo japonicus) reveals a migratory divide along the Sea of Japan	3
Vocal responses of Hermit Thrush (Catharus guttatus) males to territorial playback of conspecific song	3
Issue Information	3
Use and definitions of the terms arena, lek and court in describing avian courtship sites	3
Global range dynamics of the Bearded Vulture (Gypaetus barbatus) from the Last Glacial Maximum to climate change scenarios	3
Genetic structure of the Japanese Robin (Larvivora akahige) endemic to East Asian islands	3
A Neolithic rock engraving apparently showing a Great Auk being captured	3
Multimodal signalling in manakins: lack of correlated evolution between acoustic, visual and behavioural traits	3
Urban and coastal breeding lesser black‐backed gulls (Larus fuscus) segregate by foraging habitat	3
Inferred costs and functional consequences of stone morphometry in the stone‐carrying displays of Black Wheatear (Oenanthe leucura)	3
An a priori assessment of the impact of harvesting from five wild populations for conservation translocations	3
Moult terminology: Let's make it simpler!	3
	3
Differences in plumage coloration between ventral and dorsal regions on Atlantic Forest birds	3
Toward scoping reviews of individual bird species	3
BOU Page	3
Fruit abundance may fine‐tune timing of reproduction of the Chilean Elaenia (Elaenia chilensis), a long‐distance migratory bird in South America	3
Issue Information	3

Reducing bias in shorebird nest survival rates across a large Arctic landscape	3
Moult is associated with higher diversity of food items in the diet of Common Bulbuls (Pycnonotus barbatus) in Cameroon	3
Ringing, tracking and counting data reveal five wintering patterns in European Common Shelducks	3
Vocal individuality measures reveal spatial and temporal variation in roding behaviour in Woodcock (Scolopax rusticola)	3
Horizontal prey distribution determines the foraging performance of short‐ and long‐billed waders in virtual resource landscapes	3
A synthesis of Eurasian Curlew (Numenius arquata arquata) demography and population viability to inform its management	3
Vocal traits of shorebird chicks are related to body mass and sex	3
Extra‐pair paternity is not repeatable between years in Pied Flycatchers (Ficedula hypoleuca): a role for social context	3
British Ornithologists’ Union – Early Professional Award 2024	3
	2
Camelthorn and blackthorn trees provide important resources for Southern Pied Babblers (Turdoides bicolor) in the Kalahari	2
Bird genetic databases need improved curation and error reporting to NCBI	2
Lincoln's sparrow (Melospiza lincolnii) increases singing rate in areas with chronic industrial noise	2
Aposematism and mimicry in birds	2
Genetic diversity and the implications of captive rearing for a small population of Black‐tailed Godwits	2
	2
Book Reviews	2
Colony attendance and moult pattern of Cory's Shearwaters (Calonectris borealis) differing in breeding status and age	2
The difficult challenge of accurately recording iris colour in birds revealed through the lens of specimens of Australia's Spinifex Pigeon (Geophaps plumifera)	2
Past research and future directions in understanding how birds use their sense of smell	2
Arnthor Gardarsson 1938–2022	2
Human activities at night negatively impact Little Penguin (Eudyptula minor) numbers and behaviours	2
Issue Information	2
Diel and seasonal variation of Striped Cuckoo (Tapera naevia) vocalizations revealed using automated signal recognition	2
Book Reviews	2
Towards large‐scale abundance assessments through automated birdsong detection and distance estimation	2
Global extinction of Slender‐billed Curlew (Numenius tenuirostris)	2
The British List: A Checklist of Birds of Britain (10th edition)	2
Unexpected spatial aggregation between two species of hummingbirds and their inconsistent spatial interactions with native and exotic plants in an urban ecological reserve	2
Issue Information	2
Current and future effectiveness of protected areas for the conservation of endemic owls from the Atlantic Forest	2
Abundance‐related systematic bias in the quantification of phenology using site presence‐based survey methods	2
When slow explorers are fast: Personality‐related differences in timing of migration in Red Knots (Calidris canutus)	2
Mixed population trends inside a California protected area: Evidence from long‐term community science monitoring	2
Adoption of non‐related goslings and intergenerational family cohesion among Greenland White‐fronted Geese (Anser albifrons flavirostris)	2
The number of Great Tit mobbers influences the mobbing response of heterospecific birds	2
Plenty of rooftops with few neighbours occupied by young breeding Yellow‐legged Gulls (Larus michahellis): Does this occur at the expense of their health condition?	2
Australian Magpies discriminate between the territorial calls of intra‐ and extra‐group conspecifics	2
High site and mate fidelity in a monogamous Arctic seabird	2
Semi‐automated detection of tagged animals from camera trap images using artificial intelligence	2
	2
Drivers of change in mountain and upland bird populations in Europe	2
Book Review	2
Assessing the reproductive consequences of mate retention and pair bond duration in Thorn‐tailed Rayadito (Aphrastura spinicauda), a short‐lived, socially monogamous neotropical bird	2
High survival promotes persistence in a reintroduced population of Common Crane (Grus grus)	2
James Denis Summers‐Smith (25 October 1920 – 5 May 2020)	2
Skylark conservation in alpine habitats should focus on areas where conspecifics are already present	2
Habitat partitioning and spatial segregation at multiple scales promotes year‐round coexistence in a guild of forest songbirds	2
High trophic niche overlap in mixed‐species colonies using artificial nests	2
Unmasking complex migration syndromes and seasonal plumage colouration in the White‐naped Xenopsaris (Xenopsaris albinucha)	2
Reduced range size and Important Bird and Biodiversity Area coverage for the Harpy Eagle (Harpia harpyja) predicted from multiple climate change scenarios	2
Issue Information	2
Conspecific density and habitat quality drive the defence and vocal behaviour of a territorial passerine	2
James John Maitland Flegg (1937–2024)	2
Author Index	2
Nest‐site selection and reproductive success of a critically endangered parrot, the Great Green Macaw (Ara ambiguus), in an anthropogenic landscape	2
A feathered past: Colonial influences on bird naming practices, and a new common name for Ardenna carneipes (Gould 1844)	2
Exposure to traffic noise weakens territory defence in the Southern Emu‐wren (Stipiturus malachurus)	2
Issue Information	2
Correction to “Monitoring wader breeding productivity”	2
The hidden cost of disturbance: Eurasian Oystercatchers (Haematopus ostralegus) avoid a disturbed roost site during the tourist season	2
British Ornithologists' Union Godman‐Salvin Prize	2
Population genetic structure associated with a landscape barrier in the Western Grasswren (Amytornis textilis textilis)	1
Yellow Cardinal (Gubernatrix cristata) males respond more strongly to local than to foreign dialects	1
Acoustic recording complements camera traps for monitoring sensitive penguin populations	1
Using photographic records to quantify accuracy of bird identifications in citizen science data	1
Characterizing Ancient Murrelet Synthliboramphus antiquus movement behaviour during breeding‐season foraging trips using hidden Markov models	1
King Penguins adjust foraging effort rather than diet when faced with poor foraging conditions	1
Effects of overhead power‐lines on the density of ground‐nesting birds in open sub‐arctic habitats	1
Icelandic Whimbrel first migration: Non‐stop until West Africa, yet later departure and slower travel than adults	1
Differential impact of anthropogenic noise during the acoustic development of begging calls in Blue Tits (Cyanistes caeruleus)	1
Issue Information	1
Acoustic detection rate can outperform traditional survey approaches in estimating relative densities of breeding waders	1
Clutch size of passerines increases with latitude in China, but egg size is conserved	1
A novel deep learning‐based bioacoustic approach for identification of look‐alike white‐eye (Zosterops) species traded in wildlife markets	1
Using age‐ratios to investigate the status of two Siberian Phylloscopus species in Europe	1
The phenology and clutch size of UK Blue Tits does not differ with woodland composition	1
After second year male European Starlings (Sturnus vulgaris) do not signal age through repertoire size or song bout length over a 1‐year period	1
Life‐stage and sex influence Philornis ectoparasitism in a Neotropical woodpecker Melanerpes striatus with essential male parental care	1
Cryptic hybridization between Common (Apus apus) and Pallid (A. pallidus) Swifts	1
Generating population estimates for migratory shorebird species in the world’s largest flyway	1
Issue Information	1
Assessing the importance of individual‐ and colony‐level variation when using seabird foraging ranges as impact assessment and conservation tools	1
Sex difference in natal dispersal distances of Golden Eagles Aquila chrysaetos in Scotland	1
Chemical aposematism: the potential for non‐host odours in avian defence	1
BOU Page	1
Automated radio tracking provides evidence for social pair bonds in an obligate brood parasite	1
Short‐distance nocturnal migration in an island endemic bustard	1
Genomic insights into the evolutionary and demographic histories of the extinct Hoopoe Starling (Fregilupus varius)	1
Revisiting the systematic position of the enigmatic Nicobar Bulbul (Ixos nicobariensis)	1
Modelling migration dynamics of Common Cranes and Eurasian Spoonbills as hydrological flow	1
Systematic revision of the ‘diminutive’ Kentish Plover (Charadriidae: Charadrius) with the resurrection of Charadrius seebohmi based on phenotypic and genetic analyses	1
Fast cultural evolution of Crossbill (Loxia spp.) calls in the Palaearctic	1
Challenges for incorporating long‐term baselines into biodiversity restoration: A case study of the Dalmatian Pelican (Pelecanus crispus) in Britain	1
British Ornithologists’ Union – Godman Salvin Prize	1