Ibis

Article	Citations
Estimating bird density using passive acoustic monitoring: a review of methods and suggestions for further research	89
Urban gulls adapt foraging schedule to human‐activity patterns	40
BirdNET: applications, performance, pitfalls and future opportunities	32
Sex and age differences in the diet of the Eurasian Sparrowhawk (Accipiter nisus) using web‐sourced photographs: exploring the feasibility of a new citizen science approach	23
Null effects of the Garcelon harnessing method and transmitter type on soaring raptors	22
High pathogenicity avian influenza (H5N1) in Northern Gannets (Morus bassanus): Global spread, clinical signs and demographic consequences	22
Thermal effects of plumage coloration	21
Citizen science data reveals the cryptic migration of the Common Potoo Nyctibius griseus in Brazil	18
Intra‐specific variation in migration phenology of American Kestrels (Falco sparverius) in response to spring temperatures	18
Demography of a widespread raptor across disparate regions	17
Fast and furious: host aggression modulates behaviour of brood parasites	16
A global review identifies agriculture as the main threat to declining grassland birds	16
Methods to quantify avian airspace use in relation to wind energy development	15
Using photographic records to quantify accuracy of bird identifications in citizen science data	14
Towards redressing inaccurate, offensive and inappropriate common bird names	14
What makes an urban raptor?	14
Climate and land‐use change drive habitat loss in a mountain bird species	13
Weather conditions explain reproductive success and advancement of the breeding season in Western Capercaillie (Tetrao urogallus)	13
A global synthesis of the impacts of urbanization on bird dawn choruses	13
When a typical jumper skips: itineraries and staging habitats used by Red Knots (Calidris canutus piersmai) migrating between northwest Australia and the New Siberian Islands	13
What does ‘occupancy’ mean in passive acoustic surveys?	13
Using faecal metabarcoding to examine consumption of crop pests and beneficial arthropods in communities of generalist avian insectivores	12
Searching for the causes of decline in the Dutch population of European Turtle Doves (Streptopelia turtur)	12
Modelling the effect of environmental variables on the reproductive success of Griffon Vulture (Gyps fulvus) in Sardinia, Italy	12
No sex‐specific differences in the influence of high air temperatures during early development on nestling mass and fledgling survival in the Southern Pied Babbler (Turdoides bicolor)	12

The hidden cost of disturbance: Eurasian Oystercatchers (Haematopus ostralegus) avoid a disturbed roost site during the tourist season	11
Baked eggs: catastrophic heatwave‐induced reproductive failure in the desert‐adapted Zebra Finch (Taeniopygia guttata)	11
Early‐life development of contrasting outbound and return migration routes in a long‐lived seabird	11
Misidentifications in citizen science bias the phenological estimates of two hard‐to‐identify Elaenia flycatchers	11
Sex‐, landscape‐ and climate‐dependent patterns of home‐range size – a macroscale study on an avian generalist predator	11
Nocturnal flight calling behaviour of thrushes in relation to artificial light at night	11
Impacts of ambient temperature and clutch size on incubation behaviour onset in a female‐only incubator songbird	11
Drivers of change in mountain and upland bird populations in Europe	10
Responses of dispersing GPS‐tagged Golden Eagles (Aquila chrysaetos) to multiple wind farms across Scotland	10
The conservation of Afro‐Palaearctic migrants: What we are learning and what we need to know?	10
Nocturnal vocal behaviour of the diurnal Undulated Tinamou (Crypturellus undulatus) is associated with temperature and moon phase	10
Behavioural and heart rate responses to stressors in two populations of Little Penguins that differ in levels of human disturbance and predation risk	10
Dietary niche overlap and resource partitioning among six steppe passerines of Central Spain using DNA metabarcoding	9
Community science data suggest the most common raptors (Accipitridae) in urban centres are smaller, habitat‐generalist species	9
Post‐fledging migration and wintering strategies of individual juvenile Lesser Black‐backed Gulls (Larus fuscus)	9
Passive acoustic monitoring of the endangered African Penguin (Spheniscus demersus) using autonomous recording units and ecoacoustic indices	9
Non‐random sampling along rural–urban gradients may reduce reliability of multi‐species farmland bird indicators and their trends	9
Geolocators reveal variation and sex‐specific differences in the migratory strategies of a long‐distance migrant	9
Higher experimental ambient temperature decreases female incubation attentiveness in Zebra Finches (Taeniopygia guttata) and lower effort yields negligible energy savings	9
Short‐distance nocturnal migration in an island endemic bustard	9
Aposematism and mimicry in birds	9
Habitat selection of foraging male Great Snipes on floodplain meadows: importance of proximity to the lek, vegetation cover and bare ground	9
The importance of wetland habitat area for waterbird species‐richness	9
Rapid drone semi‐automated counts of wintering Greater Flamingos (Phoenicopterus roseus) as a tool for amateur researchers	9
Factors determining nest‐site selection of surface‐nesting seabirds: a case study on the world's largest pelagic bird, the Wandering Albatross (Diomedea exulans)	9
The causes and implications of sex role diversity in shorebird breeding systems	9
Habitat preferences of the Ortolan Bunting (Emberiza hortulana) in its prime wintering grounds, the cereal‐dominated Ethiopian Highlands	8
Point count offsets for estimating population sizes of north American landbirds	8
Split moult: time constraints or endogenous strategy?	8
Hidden effects of high numbers of tourists in protected areas: displacement of foraging top scavengers	8
Upwelling systems in the migration ecology of Roseate Terns (Sterna dougallii) breeding in northwest Europe	8
Differential responses of coexisting owls to annual small mammal population fluctuations in temperate mixed forest	8
A new, undescribed species of Melanocharis berrypecker from western New Guinea and the evolutionary history of the family Melanocharitidae	8
Urban and coastal breeding lesser black‐backed gulls (Larus fuscus) segregate by foraging habitat	8
Lack of protected areas and future habitat loss threaten the Hyacinth Macaw (Anodorhynchus hyacinthinus) and its main food and nesting resources	8
Demography of Common Swifts (Apus apus) breeding in the UK associated with local weather but not aphid biomass	8
A non‐destructive approach to collect nest material data using photographs	8
Unravelling diet composition and niche segregation of colonial waterbirds in a Mediterranean wetland using stable isotopes	7
Combining citizen science and weather radar data to study large‐scale bird movements	7
The reuse of avian samples: opportunities, pitfalls, and a solution	7
Nectar provision attracts hummingbirds and connects interaction networks across habitats	7
Moult terminology: Let's make it simpler!	7
The acoustic playback technique in avian fieldwork contexts: a systematic review and recommendations for best practice	7
Movement patterns of the White‐tailed Sea Eagle (Haliaeetus albicilla): post‐fledging behaviour, natal dispersal onset and the role of the natal environment	7
Reduced range size and Important Bird and Biodiversity Area coverage for the Harpy Eagle (Harpia harpyja) predicted from multiple climate change scenarios	7
Hornbill abundance and breeding incidence in relation to habitat modification and fig fruit availability	7
Sex difference in natal dispersal distances of Golden Eagles Aquila chrysaetos in Scotland	7
High resource overlap and small dietary differences are widespread in food‐limited warbler (Parulidae) communities	7
Generating population estimates for migratory shorebird species in the world’s largest flyway	7
Falcon fuel: metabarcoding reveals songbird prey species in the diet of juvenile Merlins (Falco columbarius) migrating along the Pacific Coast of western North America	6

Contrasting recovery trajectories of four reintroduced populations of the Endangered Mauritius Kestrel (Falco punctatus)	6
Yearly temperature fluctuations and survey speed influence road counts of wintering raptors	6
Extra‐pair paternity in Blue Tits (Cyanistes caeruleus) depends on the combination of social partners' age	6
The British List: A Checklist of Birds of Britain (10th edition)	6
The mechanistic, genetic and evolutionary causes of bird eye colour variation	6
The meaning of purely structural colour: white plumage reflectance indicates feather condition	6
Annual apparent survival across species is lower in juvenile than adult birds but has similar ecological correlates	6
Urban nestlings have reduced number of feathers in Great Tits (Parus major)	6
Metabarcoding reveals selective dietary responses to environmental availability in the diet of a nocturnal, aerial insectivore, the European Nightjar (Caprimulgus europaeus)	6
Sex ratio of Western Bluebirds (Sialia mexicana) is mediated by phenology and clutch size	6
High nest failure but better nestling quality for early breeders in an alpine population of Northern Wheatear (Oenanthe oenanthe)	6
Evaluation of ongoing Crested Ibis (Nipponia nippon) reintroduction using an integrated population model and Bayesian population viability analysis	6
A general scenario to evaluate evolution of grassland birds in the Neotropics	6
Dynamic space use of Andalusian rice fields by Lesser Black‐backed Gulls (Larus fuscus) is driven by flooding pattern	6
Gaps in genetic knowledge affect conservation management of kiwi (Apteryx) species	5
Benefits of foraging in mixed‐species flocks depend on species role and foraging strategy	5
Central‐West Siberian‐breeding Bar‐tailed Godwits (Limosa lapponica) segregate in two morphologically distinct flyway populations	5
Combining historical accounts with contemporary bird survey data identifies changes in an avian community over a period of anthropogenic change	5
Female and male Leach's Storm Petrels (Hydrobates leucorhous) pursue different foraging strategies during the incubation period	5
Shorebird embryos exhibit anti‐predator responses	5
Twitter conferences as a low‐carbon, far‐reaching and inclusive way of communicating research in ornithology and ecology	5
Island life accelerates geographic radiation in the white‐eyes (Zosteropidae)	5
Toward scoping reviews of individual bird species	5
Mitochondrial substitution rates estimation for divergence time analyses in modern birds based on full mitochondrial genomes	5
The role of body size in nest‐site selection by secondary cavity‐nesting birds in a subtropical Chaco forest	5
Neotropical bromeliads as food sources for birds: a systematic review and perspectives on the management of ecological interactions	5
Nest survival of threatened Eurasian Curlew (Numenius arquata) breeding at low densities across a human‐modified landscape	5
Flight characteristics forecast entry by eagles into rotor‐swept zones of wind turbines	5
Effects of overhead power‐lines on the density of ground‐nesting birds in open sub‐arctic habitats	5
A synthesis of Eurasian Curlew (Numenius arquata arquata) demography and population viability to inform its management	5
Risk‐taking behaviour relates to timing of breeding in a sub‐Antarctic rainforest bird	5
The effect of habitat quality on the blood parasite assemblage in understorey avian insectivores in the Eastern Himalaya, India	5
Knowledge gaps and biases in the Pantanal indicate future directions for ornithological research in large wetlands	5
The Eurasian Treecreeper (Certhia familiaris) has an effective camouflage against mammalian but not avian vision in boreal forests	5
Conservation genomics of the endangered Seychelles Magpie‐Robin (Copsychus sechellarum): a unique insight into the history of a precious endemic bird	5
Aerial insect biomass, but not phenological mismatch, is associated with chick survival of an insectivorous bird	5
The ongoing narrative of Ivory‐billed Woodpecker rediscovery and support for declaring the species extinct	5
Bird genetic databases need improved curation and error reporting to NCBI	5
The adaptive function of construction of multiple non‐breeding nests in birds	5
Successful hybridization between non‐congeneric parrots in a small introduced population	5
Assessing the importance of individual‐ and colony‐level variation when using seabird foraging ranges as impact assessment and conservation tools	4
Biological conclusions about importance of order in mobbing calls vary with the reproductive context in Great Tits (Parus major)	4
Non‐breeding distribution and at‐sea activity patterns of the smallest European seabird, the European Storm Petrel (Hydrobates pelagicus)	4
Challenges for incorporating long‐term baselines into biodiversity restoration: A case study of the Dalmatian Pelican (Pelecanus crispus) in Britain	4
Long‐term within‐season changes in the diet of Common Guillemot (Uria aalge) chicks at a North Sea colony: implications for dietary monitoring	4
A comparison of foraging‐range sizes, flight distances and foraging habitat preferences in urban and rural House Sparrow (Passer domesticus) populations	4
Effects of changes in bird community composition and species abundance on plant reproduction, through pollination and seed dispersal	4
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?	4
Assessing the fatty acid profile of migratory birds with different fuelling strategies	4
High trophic niche overlap in mixed‐species colonies using artificial nests	4
Does human scent bias the survival of bird nests?	4
When birds sing at the same pitch, they avoid singing at the same time	4
Human activities at night negatively impact Little Penguin (Eudyptula minor) numbers and behaviours	4
Vocal behaviour, parasitic infection, chronic stress and body condition in rufous‐naped wrens (Campylorhynchus rufinucha)	4
Moult chronology and strategies of sympatric Great (Ardenna gravis) and Sooty (A. grisea) Shearwaters based on stable isotope analysis	4
Yellow Cardinal (Gubernatrix cristata) males respond more strongly to local than to foreign dialects	4
Free access of published DNA sequences facilitates regular control of (meta‐) data quality – an example from shorebird mitogenomes (Aves, Charadriiformes: Charadrius)	4
Diel and seasonal variation of Striped Cuckoo (Tapera naevia) vocalizations revealed using automated signal recognition	4
The influence of surrounding habitat, behaviour and interspecific competition on nestbox use by endangered Glossy Black Cockatoos (Calyptorhynchus lathami halmaturinus)	4
Influence of the haemosporidian Leucocytozoon spp. over reproductive output in a wild Neotropical passerine, the Thorn‐tailed Rayadito (Aphrastura spinicauda)	4
Does early spring arrival lead to early nesting in a migratory shorebird? Insights from remote tracking	4
Contrasting long‐term trends in age‐specific survival of Peregrine Falcons (Falco peregrinus) in Britain using smoothed estimates of recovery probabilities	4
Structured phylogeography and restricted gene flow among populations of Fairy Tern (Sternula nereis) across Australasia: implications for the endangered New Zealand population	4
Description of two new Cisticola species endemic to the marshes of the Kilombero floodplain of southwestern Tanzania	3
Australian Magpies discriminate between the territorial calls of intra‐ and extra‐group conspecifics	3
Identifying the winter grounds of the recently described Barbary Reed Warbler (Acrocephalus baeticatus ambiguus)	3
A distinct new species ofZosteropswhite‐eye from the Sulawesi region, Indonesia	3
Competitive events during nest‐building influence offspring growth and behaviour, but not testosterone deposition in the egg yolk in Western Bluebirds (Sialia mexicana)	3
Elevational plumage divergence in the Rufous‐capped Babbler (Cyanoderma ruficeps) on a mountainous island	3
Semi‐automated detection of tagged animals from camera trap images using artificial intelligence	3
Perceived risks and rewards of foraging sites strongly affect density and condition of non‐breeding Hudsonian Godwits	3
Allopreening in the Black‐browed Albatross (Thalassarchemelanophris): an exploration of patterns and possible functions	3
Welcome aboard: are birds migrating across the Mediterranean Sea using ships as stopovers during adverse weather conditions?	3
Overall dynamic body acceleration as an indicator of dominance in Homing Pigeons (Columba livia)	3
Conspecific density and habitat quality drive the defence and vocal behaviour of a territorial passerine	3
Day–night cycle influences the division of incubation in the Hooded Dotterel (Thinornis cucullatus)	3
Phylogenetic relationships and systematics of the bamboo‐specialistAmaurospizablue seedeaters	3
No evidence that cameras affect shorebird nest survival on the coastal plain of Arctic National Wildlife Refuge, AK	3
Rapid assessment of the extent of feral introgression in British and Irish Rock Dove (Columba livia) populations	3
Migration mortality in birds	3

The role of wind fetch in structuring Antarctic seabird breeding occupancy	3
The influence of egg presence and eggshell colour in the attraction of visually oriented predators to nests of a tropical forest bird	3
Adult survival and per‐capita production of young explain dynamics of a long‐lived goose population	3
The Great Auk (Pinguinus impennis) had two brood patches, not one: confirmation and implications	3
Nesting and post‐fledging predation risk influence diel patterns of songbird fledging	3
The number of Great Tit mobbers influences the mobbing response of heterospecific birds	3
Historical avifaunal change and current effects of hiking and road use on avian occupancy in a high‐latitude tundra ecosystem	3
Species, subspecies or morph—what was the Canary Islands Oystercatcher?	3
The Red‐billed Leiothrix (Leiothrix lutea): a new invasive species for Britain?	3
Preen oil composition of Pied Flycatchers is similar between partners but differs between sexes and breeding stages	3
Landscape and climatic predictors of Kentish Plover (Charadrius alexandrinus) distributions throughout Kazakhstan	3
Long‐term population decline of a genetically homogeneous continental‐wide top Arctic predator	3
Nomadic breeders Snowy Owls (Bubo scandiacus) do not use stopovers to sample the summer environment	3
Estimating nest‐switching in free‐ranging wild birds: an assessment of the most common methodologies, illustrated in the White Stork (Ciconia ciconia)	3
Early Eocene fossil illuminates the ancestral (diurnal) ecomorphology of owls and documents a mosaic evolution of the strigiform body plan	3
Automated radio tracking provides evidence for social pair bonds in an obligate brood parasite	3
Carry‐over effects of environmental stochasticity of the California Current on body condition and wing length of breeding Black‐vented Shearwaters (Puffinus opisthomelas)	2
Remote tracking unveils intercontinental movements of nomadic Short‐eared Owls (Asio flammeus) with implications for resource tracking by irruptive specialist predators	2
Life‐stage and sex influence Philornis ectoparasitism in a Neotropical woodpecker Melanerpes striatus with essential male parental care	2
Cosmetic plumage coloration by iron oxides does not confer protection against feather wear	2
Assessing vagrants from translocated populations and defining self‐sustaining populations of non‐native, naturalized and translocated avian species	2
Systematic revision of the ‘diminutive’ Kentish Plover (Charadriidae: Charadrius) with the resurrection of Charadrius seebohmi based on phenotypic and genetic analyses	2
Embryonic vocalizations mediate parental care in Masked Lapwings (Vanellus miles) but not Red‐capped Plovers (Charadrius ruficapillus)	2
Addressing conflict between fishermen and the Titicaca Grebe (Rollandia microptera) through diet analysis	2
Breeding ground temperature rises, more than habitat change, are associated with spatially variable population trends in two species of migratory bird	2
Improving waterbird monitoring and conservation in the Sahel using remote sensing: a case study with the International Waterbird Census in Sudan	2
Cross‐icecap spring migration confirmed in a high‐Arctic seabird, the Ivory GullPagophila eburnea	2
The effect of conservation interventions on the abundance of breeding waders within nature reserves in the United Kingdom	2
The need for a flyway approach in defining the onset of prenuptial migration of huntable bird species across Europe	2
The birds of ancient Britain: first recommendations for Category F of the British List	2
Variation in flight characteristics associated with entry by eagles into rotor‐swept zones of wind turbines	2
Estimating Little Penguin population sizes using automated acoustic monitoring and citizen science	2
High site and mate fidelity in a monogamous Arctic seabird	2
Wing and leg bone microstructure reflects migratory demands in resident and migrant populations of the Dark‐eyed Junco (Junco hyemalis)	2
Global diversity and adaptations of avian eggshell thickness indices	2
Adult coloration of the Bearded Vulture (Gypaetus barbatus) in the Pyrenees: relation to sex, mating system and productivity	2
Global range dynamics of the Bearded Vulture (Gypaetus barbatus) from the Last Glacial Maximum to climate change scenarios	2
Cryptic hybridization between Common (Apus apus) and Pallid (A. pallidus) Swifts	2
Accounting for clinal variation and covariation in the assessment of taxonomic limits: why we should remember the ‘rules’	2
Citizen science data confirm that expanding non‐breeding distributions of goose and swan species correlate with their increasing abundance	2
Vocal responses of Hermit Thrush (Catharus guttatus) males to territorial playback of conspecific song	2
Genetic differentiation in Eurasian Woodcock (Scolopax rusticola) from the Azores	2
Male Superb Lyrebirds (Menura novaehollandiae) perform an ornate multimodal display immediately following copulation	2
Predicting population trends of birds worldwide with big data and machine learning	2
Reduced breeding success in Great Black‐backed Gulls (Larus marinus) due to harness‐mountedGPSdevice	2
Seasonally divided moult in the Barred Warbler (Sylvia nisoria) is an endogenously controlled strategy	2
Food and habitats requirements of the Eurasian Scops Owl (Otus scops) in Switzerland revealed by very high‐resolution multi‐scale models	2
Significance of plumage colour for winter survival in the Tawny Owl (Strix aluco): revisiting the camouflage hypothesis	2
Alternative future land use options in the British uplands	2
A review of niche segregation across sympatric breeding seabird assemblages	2
Lincoln's sparrow (Melospiza lincolnii) increases singing rate in areas with chronic industrial noise	2
Density‐dependent natal philopatry in southern House Wrens	2
Social information affects prospecting, but not settlement, by Black‐and‐white Warblers (Mniotilta varia)	2
Early Neolithic avifaunal remains from southeast Anatolia provide insight into Early Holocene species distributions and long‐term shifts in their range	2
Power line electrocution as an overlooked threat to Lear's Macaw (Anodorhynchus leari)	2
Spatial patterns in age‐ and colony‐specific survival in a long‐lived seabird across 14 contrasting colonies	2
Location matters: survival of artificial nests is higher in small grassland patches and near the patch edge	2
Using empirical data analysis and expert opinion to identify farmland‐associated bird species from their habitat associations	2
Clutch size of passerines increases with latitude in China, but egg size is conserved	2
Abundance determines core–periphery roles of birds in a Neotropical seed dispersal network	2
Genomic data reveal contrasting patterns of divergence among island and mainland birds of the Eastern Mediterranean	2
Storing prey in larders affects nestling haematological condition in the Red‐backed Shrike (Lanius collurio)	1
King Penguins adjust foraging effort rather than diet when faced with poor foraging conditions	1
Experimental manipulation of nest temperature and relative humidity reduces ectoparasites and affects body condition of Blue Tits (Cyanistes caeruleus)	1
Demographic history of a complex polymorphism in populations of the Oriental Dwarf Kingfisher (Ceyx erithaca/rufidorsa) of Southeast Asia	1
British Ornithologists' Union Records Committee (BOURC): 53rd Report (January 2022)	1
Spatio‐temporal variation in post‐recovery dynamics in a large Peregrine Falcon (Falco peregrinus) population in the Jura mountains 2000–2020†	1
Estimating sampling biases in citizen science datasets	1
British Ornithologists’ Union Records Committee (BOURC): 52nd Report (January 2021)	1
Disturbance‐dependent Yellow‐legged Gull (Larus michahellis) predation on Larid chicks decreases with chick age	1
Using mobile smartphones and bioacoustics to monitor endangered bird species	1
Vocal traits of shorebird chicks are related to body mass and sex	1
Low genetic diversity and high gene flow in the Aquatic Warbler (Acrocephalus paludicola), a threatened marshland songbird with a fragmented breeding range	1
Monitoring wader breeding productivity	1
Factors determining persistent asymmetry and egg shape in birds: A hypothesis	1
Small rails from the late Quaternary of the Southern High Plains and their palaeoenvironmental context	1
Proximity to metal mining is related to aspects of feather coloration but not fluctuating asymmetry in the Russet‐crowned Motmot (Momotus mexicanus) in south‐central Mexico	1
The difficult challenge of accurately recording iris colour in birds revealed through the lens of specimens of Australia's Spinifex Pigeon (Geophaps plumifera)	1
Assessing long‐term dynamics of non‐breeding Brown Pelican (Pelecanus occidentalis) populations using Christmas Bird Count data	1
Seasonality in niche occupation revealed through bird community functional structure in the southern Atlantic rainforest	1
British Ornithologists’ Union Records Committee (BOURC): 54th Report (July 2022)	1
New fossils of Eocypselus and Primapus from the British London Clay reveal a high taxonomic and ecological diversity of early Eocene swift‐like apodiform birds	1
Evaluation of tag attachment techniques for plunge‐diving terns	1
Species status and phylogenetic relationships of the enigmatic Negros Fruit Dove (Ptilinopus arcanus)	1
Leg rings impact the diving performance of a foot‐propelled diver	1
Spectral and temporal call flexibility of House Finches (Haemorhous mexicanus) from urban areas during experimental noise exposure	1
Assessing the reproductive consequences of mate retention and pair bond duration in Thorn‐tailed Rayadito (Aphrastura spinicauda), a short‐lived, socially monogamous neotropical bird	1
Acoustic recording complements camera traps for monitoring sensitive penguin populations	1
Life in the fast and slow lanes: contrasting timing of annual cycle events in high‐ and mid‐latitude breeding Whooper Swans (Cygnus cygnus)	1
Extra‐pair paternity, intraspecific brood parasitism, quasi‐parasitism and polygamy in the Red‐footed Falcon (Falco vespertinus)	1
Nest reliefs in a cryptically incubating shorebird are quick, but vocal	1
Effects of sodium heparin on δ13C, δ15N and δ34S values in avian whole blood	1
Song complexity is associated with habitat quality in an upland passerine	1
Redistribution of songbirds within a migratory stopover site as a response to sylviid warbler song playback	1
Variation in mesopredator abundance and nest predation rate of the endangered Strange‐tailed Tyrant (Alectrurus risora)	1