Journal of Ornithology

Article	Citations
Are red-crested cardinals Paroaria coronata (Aves: Thraupidae) truly monomorphic?: evidence discloses sexual dichromatism and size differences since the nestling stage	62
Rapid flight feathers moult and fat stores in the Common Snipe Gallinago gallinago in the early stage of autumn migration	24
Copying of diving behavior in the Eurasian Coot Fulica atra	22
Black Woodpeckers recolonize south-eastern border of their European range	13
Deconstructing avian flight: forelimb length correlates with coracoid dimensions in birds	13
Extra-pair paternity and sperm length variation in a far northern Great Tit (Parus major) population	13
Kea, bird of versatility. Kea parrots (Nestor notabilis) show high behavioural flexibility in solving a demonstrated sequence task	13
Breeding behaviour of Central European Red Kites: parental sex-dependent differences	12
Crossing the Sahara by small jumps: the complete migration of the Western Orphean Warbler Curruca hortensis	12
Habitat factors influencing the breeding birds on animal farms: can modern agricultural infrastructure be good for birds?	11
Effects of an extreme weather event over reproduction and survival of Great Tits (Parus major) in eastern Spain	11
Vocal variation in female Common Cuckoos (Cuculus canorus): geographic, ecological and morphological perspectives	10
Song structure of male Northern House Wrens and patterns of song production and delivery across the nesting cycle	10
Avalanches create unique habitats for birds in the European Alps	10
Daily movements of the Common Crane (Grus grus) during the premigration period	10
Patterns and drivers of landscape and local habitat use by UK Hawfinches (Coccothraustes coccothraustes) during the breeding season and late winter	10
Vocal interactions of breeding partners predict duration of incubation bout in an Artic seabird	9
Influence of ocean primary production on the activity pattern of wintering Common Terns	9
Migration routes, high-use areas, and network connectivity across the annual cycle of an arctic seabird	9
Ferruginous springs as colouring sites for Bearded Vulture (Gypaetus barbatus): characterisation, availability and applications for species conservation in the French Pyrenees	9
Hitting all the notes: Connecticut warblers sing an extended song type	9
Space use during the breeding season of three different forest-dwelling owl species in an area of sympatry: a case study of male hunting home-range sizes and overlaps	8
Colony attendance behavior in response to weather and moonlight conditions in Japanese Murrelets (Synthliboramphus wumizusume) depending on breeding status	8
As the Raven flies: nest control with drones	8
Changes in over-winter prey availability, rather than winter climate, are associated with a long-term decline in a northern Tawny Owl population	8

Determining sex ratios and mitochondrial haplotypes of Hawai‘i’s endemic and introduced ducks	8
Differences in stopover duration and body mass change among Emberiza buntings during autumn migration in the Russian Far East	8
Rüppell’s Vulture (Gyps rueppelli): a new vulture species for Europe?	8
The role of avian frugivores in the germination and dispersal of fleshy-fruited Ficus species in KwaZulu-Natal, South Africa	8
Thermo-modernization influences nest density of Common Swifts (Apus apus): determinants of nest site choices in Poznań, Poland	7
The speed and magnitude of upward movements during the warm season depend on the reproductive success of a mountain galliform	7
Seasonal variation in home-range size of the White-backed Woodpecker	7
Sex identification based on biometrics in four long-distance migratory tern species mist-netted along the East Atlantic Flyway	7
First observation of a brood patch on a male sunbird (Chalcomitra amethystina)	7
Frequent duets, rare choruses, and extremely rare solos: year-round singing behavior in Chubb’s Cisticola	7
Predicting suitable winter habitats of Marmora’s Warbler (Curruca sarda) in North Africa using species distribution models	7
A review of co-occurrence and hybridization as neglected factors in studies of Syrian Woodpecker (Dendrocopos syriacus) and Great Spotted Woodpecker (Dendrocopos major)	7
All around the egg: consistency of spottiness and colouration across an avian eggshell	7
Sex, age, mean annual temperature and year predict the body condition in Chiroxiphia caudata (Passeriformes: Pipridae)	7
No evidence for assortative mating in the Atlantic Puffin	6
Two central rectrices: a temporal fingerprint for individual recognition of barred woodpeckers	6
Vulture perceptions in a socio-ecological system: a case study of three protected areas in KwaZulu-Natal, South Africa	6
First year-round movement tracking of the Mediterranean Gull (Ichthyaetus melanocephalus) in Europe: insights and conservation recommendations for declining population	6
Visual fields are repeatable at the population and individual level	6
Delayed plumage signals social status in a mutually ornamented bird	6
Nest-site selection of the Iberian Green Woodpecker (Picus sharpei) in three biogeographical regions	6
Body size constrains the annual apparent survival of lekking Great Snipe Gallinago media males of eastern, lowland population	6
Nest predation decreases with increasing nest height in forest songbirds: a comparative study	6
The role of winter cereals as cold-weather refuge for Taiga Bean Geese Anser fabalis fabalis wintering in Denmark	6
Reed die-back and conservation of small reed birds at Lake Neusiedl, Austria	6
Young, wild, and free—Subadult White-naped Crane (Antigone vipio) exhibit wider home range movements than breeding adults during the summering period	5
No experimental evidence of an adaptive antioxidative response induced by trace metals exposure in feral pigeons	5
En route activity of Chilean Elaenia, a long‐distance migratory bird in South America	5
Breeding ecology of a high-altitude shorebird in the Qinghai–Tibetan Plateau	5
Abundance, breeding records, and nest site characteristics of the critically endangered Hooded Vulture (Necrosyrtes monachus) in and around Chelekleka wetland, Ethiopia	5
Sea-crossing behaviour of two migratory eagles in relation to weather conditions	5
Margins matter: the importance of field margins as avian brood-rearing habitat in an intensive agricultural landscape	5
Irruptions of Bohemian Waxwings in relation to population density and food availability	5
Hematophagous ectoparasites affect nestling size and physiology, but not apparent survival	5
Comparing the effects of marking techniques on the survival of Piping Plover chicks	5
Variation in corticosterone levels in Andean Condor (Vultur gryphus) feathers regarding age classes and molting periods	5
Differences in mortality patterns of White-tailed Eagle and Osprey in the eastern region of the Baltic Sea	5
Genome-wide DNA reveals decades-long genetic stability and intra-familial migratory site fidelity in an Asian population of Common Redshanks	5
Correction: Predation risk and landscape properties shape reproductive output of an endangered sea duck from two subpopulations with contrasting predation risk	5
The bacterial assemblage in the plumage of the Violet-crowned Hummingbird (Ramosomyia violiceps) varies with contrasting environments in Central-Western Mexico	5
Timing of Steller’s Eider remigial molt has delayed over 26-year span	5
Seasonal dynamics of female bill colouration: an observation in captive House Sparrows (Passer domesticus)	4
The effect of daylight exposure on the immune response and body condition of Great Tit nestlings	4
Quality over size: acorn preference in Eurasian Jays (Garrulus glandarius)	4
Altitudinal variation in oxidative status between breeding and non-breeding seasons in a Neotropical bird	4
African birds as army ant followers	4
Adult sex ratio in south temperate house wrens is explained by sexual differences in adult survival	4
Melanin-based plumage coloration and melanin content in organs in the barn owl	4
The use of skylark plots by the European Skylark (Alauda arvensis) in Germany	4
Climate change and the future of the endemic Ethiopian Siskin: a looming extinction crisis	4

The effects of temporally distinct light pollution from ships on nocturnal colony attendance in a threatened seabird	4
Sex- and age-dependent breeding plumage acquisition in monomorphic species, the Black-headed Gull Chroicocephalus ridibundus	4
Heavy metal residues in eggshells of Common Cranes (Grus grus) nesting in an agricultural region in north-eastern Germany	4
Assignment of wintering Barnacle Geese (Branta leucopsis) to breeding populations using genome-wide single-nucleotide polymorphisms	4
Topography and wind moulding directions of autumn migration between Europe and the West African savannas	4
Stable isotopes reveal synchronous primary flight feather moult pattern of Atlantic Puffins (Fratercula arctica)	4
First record of a bird footprint in Brazil (Oligocene of the Taubaté Basin) and its paleoenvironmental implications	4
Effect of climate change and deforestation on populations of Penelope pileata (Galliformes-Cracidae)	4
Is the settlement of a winter territory in the European Robin Erithacus rubecula triggered by the arrival of conspecific migrants?	4
Dispersal and philopatry in Central European Red Kites Milvus milvus	4
Cues to individuality in Greylag Goose faces: algorithmic discrimination and behavioral field tests	4
Incubation behaviour of the Common Ringed Plover Charadrius hiaticula at different latitudes	4
Species limits and biogeography of the White-browed Tapaculo (Scytalopus superciliaris) complex and the Puna Tapaculo (S. simonsi)	4
Migration routes and timing of European Nightjars (Caprimulgus europaeus) breeding in eastern Mongolia	4
The Yellow-breasted Barbet (Trachyphonus margaritatus) introduces vocal duets and choruses with a specific multimodal signal, during territorial advertisement	4
American Robin (Turdus migratorius) feeding young at night in an area of artificial light	4
Female and male body condition in the Whiskered Tern Chlidonias hybrida, a species with female offspring desertion: a test of the differential parental capacity hypothesis	4
Nest size parameters of Great Tits and Blue Tits: a long-term study	4
Male aggressiveness during the female fertile phase in relation to extra-pair paternity, plumage ornaments and female traits	4
Long-term trends of local bird populations based on monitoring schemes: are they suitable for justifying management measures?	4
The European Turtle Dove in the ecotone between woodland and farmland: multi-scale habitat associations and implications for the design of management interventions	4
Bird breeding season linked to sunshine hours in a marginally seasonal equatorial climate	4
Microplastics and terrestrial birds: a review on plastic ingestion in ecological linchpins	4
Inequality among offspring, correlates of recruitment and lifetime reproductive success in a long-lived raptor	4
Foraging areas and trip duration vary with the main prey captured, in a day-foraging/night-provisioning seabird	4
First genetically confirmed record of a wild Marsh Tit × Willow Tit hybrid (Poecile palustris × P. montanus)	3
Foraging sites of the Eurasian Three-toed Woodpecker (Picoides tridactylus) in relation to sex in primeval forest stands of the Białowieża National Park	3
Timing, reproduction and biometrics of a long-distance passerine migrant in a core and a peripheral population	3
First documentation of vocal mimicry in female northern mockingbirds	3
Connectivity of wetland areas along the East Atlantic Flyway used as moulting and stopover sites by Pied Avocets (Recurvirostra avosetta) during autumn migration	3
Rainforest birds avoid biotic signal masking only in cases of high acoustic saturation	3
Spring-accelerated loop migration in the Woodchat Shrike Lanius senator	3
Fluctuations in population size and migration of two species of crossbills in relation to seed crop size of spruce and pine: asymmetric importance of alternative food resources	3
Differences in foraging behaviour of a migrating shorebird at stopover sites on regulated and unregulated sections of a large European lowland river	3
Another case of island gigantism: the extinct Hodgens’ Waterhen (Tribonyx hodgenorum) is a member of Porzana (Aves: Rallidae)	3
The uropygial gland of the Great Cormorant (Phalacrocorax carbo): II. Biochemical analysis of the uropygial secretion	3
Aggressive behavior as a predictor of home range size: findings from both range-restricted and widespread Darwin’s finch species	3
Birds and the ‘Post Tower’ in Bonn: a case study of light pollution	3
Interspecific differences in eggshell thickness and the elemental composition of pigment spot and plain shell regions in altricial and precocial birds	3
Two new neoavian taxa with contrasting palaeobiogeographical implications from the early Miocene St Bathans Fauna, New Zealand	3
Drivers of nest site selection and breeding success in an Alpine ground-nesting songbird	3
Hatching asynchrony as a parental reproductive strategy in birds: a review of causes and consequences	3
New records of Pleistocene birds of prey from Ecuador	3
Age-related time budget and behaviour of Northern Lapwing (Vanellus vanellus) chicks	3
A new foundation for the study of bird behaviour: Konrad Lorenz’s ‘Kumpan’ paper of 1935	3
Resolving disputed subspecies distribution limits, and revealing intraspecific intergradation, in the Common Redstart Phoenicurus phoenicurus using citizen science and museum data	3
Covariation between protandry and sexual size dimorphism is age specific in songbirds	3
Summer diet preferences of a declining steppe bird as revealed by DNA metabarcoding	3
Effects of winter weather conditions on abundance fluctuations in a nest box breeding population of the Common Merganser Mergus merganser in the southern coast of Finland	3
Assessing honeydew consumption and bird–bird interactions in bird communities in Southern Brazil	3
Stomach contents and stable isotope analysis reveal Antarctic prey in short-tailed shearwaters sampled at sea	3
The breeding ecology of the Agulhas Long-billed Lark: an endemic bird dependent on the remnant Renosterveld of the Western Cape Province, South Africa	3
Lowering the cost of citizen science: can we reduce the number of sampling visits in a constant ringing effort-based monitoring program?	3
Identification and quantification of carotenoids in supra-orbital combs of male black grouse (Lyrurus tetrix)	3
Nest survival of Crested Lark (Galerida cristata) in intensively used habitats in Central Poland	3
Heterophil-to-lymphocyte ratio varies with habitat fragmentation and canopy cover in a tropical understory insectivore	3
Citizen-science data resolves disputed subspecies limits in the lesser spotted woodpecker Dryobates minor across the Balkans and Minor Asia	3
Cross-continental differences in Black-tailed Godwit breeding densities are best explained by arthropod abundance in the chick-hatching period	3
Seasonal variation in migration routes of Common Whitethroat Curruca communis	3
Long-term monitoring of dwarf eggs in clutches of Yellow-legged Gulls (Larus michahellis) breeding in a western Mediterranean colony	3
The true identity of the strigiform species Ninox dubiosa Weick, 2006, with comments on a skull feature shared by the Ieraglaucinae and Surniinae	3
The critically endangered Araripe Manakin (Antilophia bokermanni) is uninfected by, but probably susceptible to, haemosporidians in northeastern Brazil	3
Cape Vultures (Gyps coprotheres) on camera: assessing the behaviour of a vulnerable, colonially nesting raptor with temperature and time of day at nest sites in KwaZulu-Natal, South Africa	2
Seasonal variation in the foraging intensity of Somali Ostrich (Struthio molybdophanes) at different habitat zones in a semi-arid savanna, Kenya	2
Black-necked Cranes (Grus nigricollis) switch cooperative roles of anti-predator behaviour at different moulting stages	2
A systematic review of lapwing research in Africa to determine trends and evidence of their response to changes in terrestrial ecosystems	2
Local climate at breeding colonies influences pre-breeding arrival in a long-distance migrant	2
Morphological adaptations for migration in North American wood-warblers (Aves: Parulidae)	2
Importance of shallow river topography for inland breeding Common Terns	2
Revealing different migration strategies in a Baltic Common Tern (Sterna hirundo) population with light-level geolocators	2
The effects of prey availability and capture success on the foraging and territory economics of a predatory bird, Circus hudsonius	2
The species-specific rate of mass gain in juvenile waders during southward migration under ad libitum feeding conditions	2
Inter and intra-population variability of the migratory behaviour of a short-distance partial migrant, the Eurasian Stone-curlew Burhinus oedicnemus (Charadriiformes, Burhinidae)	2
Low prevalence of haemosporidian and trypanosome infections in the Eurasian Nightjar (Caprimulgus europaeus)	2
Brood survival in the Red-backed Shrike Lanius collurio in eastern Poland	2
Variation in plasma protein levels in House Finches (Haemorhous mexicanus): effects of season, disease state, and urbanization	2
Patterns of parent-absent begging in European Starling (Sturnus vulgaris) nestlings	2
Timing of migration and African non-breeding grounds of geolocator-tracked European Pied Flycatchers: a multi-population assessment	2
The uropygial gland of the Great Cormorant (Phalacrocorax carbo): I. Morphology	2
Weather, food and predation shape the timing of Marsh Tit breeding in primaeval conditions: a long-term study	2

The presence of an invasive bird, the Common Starling, in an urban landscape: habitat use and relationships with other bird species	2
Songbird migration between Eastern Europe and Southern Asia: how to deal with the arid belt?	2
Spring phenology is advancing at a faster rate than arrival times of Common Starling	2
An unexpected age-related pattern in feather growth contributes to age-dependent ornament expression in a passerine bird	2
Age effects in Darwin’s finches: older males build more concealed nests in areas with more heterospecific singing neighbors	2
Eggshell microbiome as a potential microbial reservoir in a cavity nesting bird	2
Connected impacts: combining migration tracking data with species distribution models reveals the complex potential impacts of climate change on European bee-eaters	2
Low survival of eggs and nestlings explain the decline of a local Jankowski’s Bunting population	2
Influence of age on spatial and temporal migratory patterns of Black Storks from Germany	2
Egyptian Nightjars are residents in the Dead Sea region, showing a high year-round roost fidelity	2
Dynamics in spatial use by Ospreys (Pandion haliaetus) during the breeding season revealed by GPS tracking	2
Feeding ecology and reproductive success of the Little Bittern Ixobrychus minutus in differently managed pond habitats	2
Burning the candle at both ends: two sympatric thrushes are equally detectable and sing at similar rates at dawn and dusk	2
Abundance estimation from point counts and territory mapping: comparing different approaches for two Regulus species	2
Cryptic diversity in the Amazonian Red-shouldered Tanager (Tachyphonus phoenicius) Swainson 1838 with a neotype designation and revalidation of Tachyphonus saucius Strickland 1844	2
The visual fields of the Harpy Eagle (Harpia harpyja)	2
Incubation scheduling by African Black Oystercatchers: effects of weather, tide phase, and time of day	2
Effects of local climate and habitat heterogeneity on breeding-bird assemblages of semi-natural grasslands	2
Divergent tunes: exploring dialects in Great Reed Warbler song pattern	2
Behavioural responses of the Little Tern (Sternula albifrons) to different human disturbances	2
Early parental nest initiation carries over to the departure date and quality of fledglings from the breeding grounds in the Purple Martin	2
Neckband loss and its effect on apparent survival estimates in Greylag Geese (Anser anser): variation with season, sex and age	2
A trait-based approach to seasonal dynamics of an alpine and subalpine passerine bird assemblage	2
Let’s get physiological: circulating vitamin A levels predict the presence and severity of coccidiosis infection in House Finches (Haemorhous mexicanus)	2
Three decades of breeding bird population changes in a pristine Danish forest: climate-driven shifts and biodiversity loss compared to national trends	1
Correction: Mitonuclear incompatibility as an alternative hypothesis for male-biased offspring sex ratios arising from extra-pair matings	1
Eggshell microbiota of a brood parasite reflects environment, not species	1
Persistent organic pollutants detected in feathers of feral Greater Rheas in Northern Germany: a comparative analysis with native populations of Argentina	1
Seasonal modulation of pectoralis muscle fiber type composition in migratory songbirds	1
Similar tolerance of urban birds towards both benign human and lethal cat predators	1
Multiple ancestral populations as the key to the successful colonisation of the Carpathians by Goosanders	1
First steps to success: identification of divergence among the northern and the southern lineages of African Pygmy Kingfisher (Ispidina picta) (Coraciiformes: Alcedinidae)	1
Habitat niche of the Crested Tit Lophophanes cristatus in central and peripheral parts of its range	1
Geolocator tagging of east Siberian Bluethroats	1
High-elevation habitats are important for birds during the post-breeding migration period in the Alps	1
Nest structure and breeding success in two tit species: a long-term study	1
The ethnomedicinal use of vultures by traditional health practitioners in KwaZulu-Natal, South Africa	1
Winter foraging strategies and prey impalement behavior of the Iberian Grey Shrike Lanius meridionalis in Mediterranean landscapes: adaptations to environmental variability	1
Homing Pigeon (Columba livia) dominance hierarchies are stable over time and resistant to perturbation	1
Regime shift and changes in sediment morphology driven by sea level rise affect abundance of migratory waders	1
Correction to: Female breeding dispersal to higher quality habitats in a philopatric top predator	1
Using social media to document the persistence of the Peregrine Falcon and the Lanner Falcon across South Africa	1
The role of ecological and geographical drivers of lineage diversification in the Squirrel cuckoo Piaya cayana in Mexico: a mitochondrial DNA perspective	1
Oscillating magnetic field does not disrupt orientation in the presence of stellar cues in an avian migrant	1
Specialist or opportunist—the diet of the European bee-eater (Merops apiaster)	1
A giant raptor (Aves: Accipitridae) from the Pleistocene of southern Australia	1
Assessing climate change impact on the distribution of the endemic White-naped Tit (Machlolophus nuchalis) using citizen science data	1
Gradual variation in vocalizations does not support multiple species within the White-shouldered Antshrike (Thamnophilus aethiops)	1
Habitat restoration for the endangered Yellow Cardinal (Gubernatrix cristata): a forest treatment without affecting bird diversity at the center of Argentina	1
Narrow-beaked trogons from the early Eocene London Clay of Walton-on-the-Naze (Essex, UK)	1
Do Barn Swallow nestlings incur an oxidative cost of begging?	1
Back to the future: does previously grown ornamental colouration in male House Finches reveal mate quality at the time of pair formation?	1
Amur Honeysuckle (Lonicera maackii) increases abundance and diversity of shrub-dwelling arthropods and birds in forest edge habitat	1
A particular food source exploited by juvenile Lanner Falcon (Falco biarmicus feldeggii) in Central Italy	1
Sex differences in the timing of spring migration of adult European Honey Buzzards Pernis apivorus in the Central Mediterranean	1
A spatial and temporal analysis of post-release behaviour in translocated Black Grouse (Lyrurus tetrix) using GPS telemetry	1
Prevalence of gastrointestinal parasites in a lowland Black Grouse population in Central Europe	1
Seasonality in erythrocyte cytomorphometry and physiology of a sub-tropical resident bird, the Scaly-breasted Munia (Lonchura punctulata)	1
Unexpected variation in migration routes and nonbreeding residency of Tree Pipits (Anthus trivialis) from a central European breeding population	1
Dispersal patterns of the first White-backed Vulture (Gyps africanus) GPS-tracked in Iberia	1
The complete mitochondrial genome of the ‘Extinct in the Wild’ Spix’s Macaw (Cyanopsitta spixii)	1
The level of water in the river flowing through the breeding site shapes the body condition of a lekking bird—the Great Snipe Gallinago media	1
Male’s age and plumage coloration predicts brood sex ratio in the Common Kingfisher (Alcedo atthis)	1
Light-emitting greenhouses affect daily vocalization behavior in birds	1
Haemosporidian infections in three sympatric Phylloscopus species: does host or environment determine parasite prevalence?	1
Metabarcoding reveals seasonal variations in the consumption of crops and weeds by wild Red-legged Partridge Alectoris rufa	1
Different migration strategies under warming ocean anomalies in penguins: a study of spatial, oceanographic, and isotopic niche segregation	1
Plant consumer innovation in skuas	1
Correction: Sex- and age-dependent breeding plumage acquisition in monomorphic species, the Black‑headed Gull Chroicocephalus ridibundus	1
Reduced ornamentation became elaborated in benign environments in Pacific Swallows	1
Setting BirdNET confidence thresholds: species-specific vs. universal approaches	1
Male plumage signal expression is related to feather corticosterone concentration in the Pied Flycatcher Ficedula hypoleuca	1
Description of two new bird species from the Meratus Mountains of southeast Borneo, Indonesia	1
Does microhabitat use affect population differentiation? A test with southwestern Palaearctic forest birds	1
Plumage coloration and feather corticosterone concentration predict haemosporidian parasite occurrence in four passerines from the Atlantic Forest	1
Revealing hidden diversity: molecular insights into a monotypic Amazonian hummingbird species	1
Association patterns between farmland abandonment and the non-native Common Waxbill (Estrilda astrild) in the eastern Iberian Peninsula	1
Why are ravens smart? Exploring the social intelligence hypothesis	1
Age and reproductive strategies in European Starlings (Sturnus vulgaris)	1
River and sea: foraging range of freshwater and marine Common Terns	1
Soaring and intermittent flap-gliding during migratory flights of Northern Bald Ibis	1
The hidden truth: unexpected acorn caching sites by Eurasian Jays (Garrulus glandarius L.) re-examined	1
Chilean Elaenias (Elaenia chilensis) are tolerant and resistant to haemosporidian parasites during migration	1
Urban life of an elusive species: population trends, movement patterns, foraging habitats, and prospecting in Mediterranean Gulls (Ichthyaetus melanocephalus) breeding in Hamburg, northern Germany	1
Exposure to sulfur in soil explains pigmentation by pheomelanin in birds inhabiting Iceland	1
The nest position and bank height of a bee-eater colony affect the likelihood of nest loss due to predation	1
Influence of foraging guild on heterospecific preference of association in mixed-species bird flocks: distinguishing potential benefits for attendant species	1
Do the rain calls of Chaffinches indicate rain?	1
Experimental reduction of a nest ectoparasite affects mouth coloration of nestling Cliff Swallows Petrochelidon pyrrhonota	1
Start of dawn singing as related to physical environmental variables in an alpine environment	1
Rebuttal to Onrubia et al.: Misleading data and conservation risks: the moral responsibility of accurate reporting in Rüppell’s Vulture research	1
Nest-site selection of Eurasian Curlew (Numenius arquata) in the centre of its European range: adaptation to local macrohabitat factors	1
Population structure and mortality of the Eurasian Eagle-Owl (Bubo bubo) in NE Spain	1
Loop vs. same route migrations of two songbird species between Japan and Southeast Asia	1
Vocal individuality in owls: a taxon-wide review in the context of Tinbergen’s four questions	1