OOIR: Observatory of International Research

Papers

(The TQCC of Journal of Ornithology is 3. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-04-01 to 2025-04-01.)

Article	Citations
Crossing the Sahara by small jumps: the complete migration of the Western Orphean Warbler Curruca hortensis	21
Deconstructing avian flight: forelimb length correlates with coracoid dimensions in birds	21
Parallel cultural change in Thrush Nightingale song in distant populations	17
Dynamics of stress-induced changes of leukocyte profile in Great Tits: testing effect of age	16
How common is hybridization in birds?	15
Slow song syllable rates provoke stronger male territorial responses in Eurasian Reed Warblers (Acrocephalus scirpaceus)	11
Margins matter: the importance of field margins as avian brood-rearing habitat in an intensive agricultural landscape	11
Leg coloration is associated with habitat type and social environment in swallows and martins	10
Absence of song suggests heterogeneity of vocal-production learning in hummingbirds	10
Habitat factors influencing the breeding birds on animal farms: can modern agricultural infrastructure be good for birds?	10
Assessing genetic diversity patterns at neutral and adaptive loci to inform population reinforcement of an endangered migratory vulture	9
The Pleistocene Zhoukoudian ‘Peking Man’ site records the first Beijing (China) evidence of the Northern Raven (Corvus corax)	9
Relative divergence of mobbing calls and songs structures in passerine birds	9
Cues to individuality in Greylag Goose faces: algorithmic discrimination and behavioral field tests	9
Exploratory and seasonal movements of adult common shelducks in the eastern Wadden Sea	8
The breeding ecology of the Agulhas Long-billed Lark: an endemic bird dependent on the remnant Renosterveld of the Western Cape Province, South Africa	8
Kea, bird of versatility. Kea parrots (Nestor notabilis) show high behavioural flexibility in solving a demonstrated sequence task	8
Acorn storage in tree cavities by Eurasian jay (Garrulus glandarius L.)	7
Stable isotopes (δ2H) in feathers identify non-breeding origins of the endangered Jankowski’s Bunting	7
Influence of age and body condition on breeding performance in Common Kingfisher Alcedo atthis	7
Timing, reproduction and biometrics of a long-distance passerine migrant in a core and a peripheral population	7
Annual survival estimates of Taiga Anser fabalis and Tundra Bean Geese A. serrirostris wintering in The Netherlands, 1967–1987	7
Diet of nestling Barn Swallows in an agroecosystem: insights from fecal DNA barcoding and feather stable isotopes (δ13C, δ15N)	7
No experimental evidence of an adaptive antioxidative response induced by trace metals exposure in feral pigeons	7
Swallows nesting on buildings showed positive population trends except when having deeply forked tails	7

On the search for grasslands: long distance dispersal of spring-staging Barnacle Geese (Branta leucopsis) from a farmland area in Southeast Denmark	6
A novel method for analysis of vocal dimorphism using recordings of unsexed pairs and its application to the neotropical owl Pulsatrix koeniswaldiana	6
Measuring circulating triglycerides in free-living birds: evaluation of a field-usable point-of-care analyzer for American woodcock	6
Trichomonas gallinae infections in the naïve host Montifringilla nivalis subsp. nivalis	6
Chemical analysis reveals sex differences in the preen gland secretion of breeding Blue Tits	6
Copying of diving behavior in the Eurasian Coot Fulica atra	6
Weather conditions determine reproductive success of a ground-nesting bird of prey in natural dune grasslands	6
The European Turtle Dove in the ecotone between woodland and farmland: multi-scale habitat associations and implications for the design of management interventions	6
All-season space use by non-native resident Mandarin Ducks (Aix galericulata) in northeastern Germany	6
Protecting a heterogeneous landscape supports avian diversity across seasons on a Mediterranean island	6
First steps to success: identification of divergence among the northern and the southern lineages of African Pygmy Kingfisher (Ispidina picta) (Coraciiformes: Alcedinidae)	6
Migration and non-breeding ecology of the Yellow-breasted Chat Icteria virens	5
The effects of temporally distinct light pollution from ships on nocturnal colony attendance in a threatened seabird	5
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	5
Using a common morphometric-based method to sex a migratory bird along its entire flyway despite geographical and temporal variations in body size and sexual size dimorphism	5
Sex differences in the timing of spring migration of adult European Honey Buzzards Pernis apivorus in the Central Mediterranean	5
Soaring and intermittent flap-gliding during migratory flights of Northern Bald Ibis	5
Natural nest cavities in a high elevation habitat provide a more constant thermal environment than human-made nest cavities	5
Effects of an extreme weather event over reproduction and survival of Great Tits (Parus major) in eastern Spain	5
Microplastics and terrestrial birds: a review on plastic ingestion in ecological linchpins	5
Environmental drivers of regional variations in upland goose (Chloephaga picta) color morphs	5
Prevalence of gastrointestinal parasites in a lowland Black Grouse population in Central Europe	5
Community engagement and data quality: best practices and lessons learned from a citizen science project on birdsong	5
Are red-crested cardinals Paroaria coronata (Aves: Thraupidae) truly monomorphic?: evidence discloses sexual dichromatism and size differences since the nestling stage	5
Interspecific differences in eggshell thickness and the elemental composition of pigment spot and plain shell regions in altricial and precocial birds	5
Extra-pair paternity and sperm length variation in a far northern Great Tit (Parus major) population	5
Rapid flight feathers moult and fat stores in the Common Snipe Gallinago gallinago in the early stage of autumn migration	5
Altitudinal variation in oxidative status between breeding and non-breeding seasons in a Neotropical bird	4
Age and reproductive strategies in European Starlings (Sturnus vulgaris)	4
A giant raptor (Aves: Accipitridae) from the Pleistocene of southern Australia	4
Non-breeding ranging behaviour, habitat use, and pre-breeding migratory movements of Fieldfares (Turdus pilaris) wintering in southern Europe	4
Aggressive behavior as a predictor of home range size: findings from both range-restricted and widespread Darwin’s finch species	4
Migration routes and timing of European Nightjars (Caprimulgus europaeus) breeding in eastern Mongolia	4
Genome-wide DNA reveals decades-long genetic stability and intra-familial migratory site fidelity in an Asian population of Common Redshanks	4
The use of skylark plots by the European Skylark (Alauda arvensis) in Germany	4
Tracking the migration of a Bluethroat Luscinia svecica svecica from central Siberia	4
Island syndrome and morphometric-based sex differentiation in the monomorphic endemic Blue Mockingbird (Melanotis caerulescens) (Aves: Mimidae)	4
Birds and the ‘Post Tower’ in Bonn: a case study of light pollution	4
Association patterns between farmland abandonment and the non-native Common Waxbill (Estrilda astrild) in the eastern Iberian Peninsula	4
Black Woodpeckers recolonize south-eastern border of their European range	4
Identification and quantification of carotenoids in supra-orbital combs of male black grouse (Lyrurus tetrix)	4
Breeding behaviour of Central European Red Kites: parental sex-dependent differences	4
Summer diet preferences of a declining steppe bird as revealed by DNA metabarcoding	4
Guidelines for appropriate use of BirdNET scores and other detector outputs	4
A bird’s-eye view reveals no fixed differences in plumage coloration between divergent populations of Painted Buntings	4
Strong evidence supporting a relationship between colour pattern and apparent survival in common crossbills	4
‘Night vision’ cameras as a tool for consistent and repeatable counts at communal overnight roosts for parrots	4
Drivers of nest site selection and breeding success in an Alpine ground-nesting songbird	4
Geolocator tagging of east Siberian Bluethroats	4
The true identity of the strigiform species Ninox dubiosa Weick, 2006, with comments on a skull feature shared by the Ieraglaucinae and Surniinae	4

The influence of resting posture and orientation on alertness and escape in shorebirds	3
Adult sex ratio in south temperate house wrens is explained by sexual differences in adult survival	3
Which birds participate in mass concentrations of Bramblings Fringilla montifringilla?—Ring recoveries, biometry, age and sex composition	3
Daily movements of the Common Crane (Grus grus) during the premigration period	3
Common patterns in the molecular phylogeography of western palearctic birds: a comprehensive review	3
Avalanches create unique habitats for birds in the European Alps	3
First subfossil Holocene avian breeding burrows in volcanic rocks of the Tibesti Mountains (Chad)	3
Bird species use of Tapinanthus dodoneifolius mistletoes parasitising African locust bean trees Parkia biglobosa in Amurum Forest Reserve, Nigeria	3
Plant consumer innovation in skuas	3
Predation risk and landscape properties shape reproductive output of an endangered sea duck from two subpopulations with contrasting predation risk	3
A distinct new subspecies of the white-rumped shama Copsychus malabaricus at imminent risk of extinction	3
Non-breeding sites, loop migration and flight activity patterns over the annual cycle in the Lesser Grey Shrike Lanius minor from a north-western edge of its range	3
Effects of elevated nest box temperature on incubation behaviour and offspring fitness-related traits in the Collared Flycatcher Ficedula albicollis	3
The uropygial gland of the Great Cormorant (Phalacrocorax carbo): II. Biochemical analysis of the uropygial secretion	3
Correction to: Urbanisation and nest building in birds: a review of threats and opportunities	3
Male aggressiveness during the female fertile phase in relation to extra-pair paternity, plumage ornaments and female traits	3
Correction to: Agriculture induces isotopic shifts and niche contraction in Horned Larks (Eremophila alpestris) of the Colorado Desert	3
The visual fields of the Harpy Eagle (Harpia harpyja)	3
Morphology-based tool for sexing White-backed Vultures in the field	3
The Yellow-breasted Barbet (Trachyphonus margaritatus) introduces vocal duets and choruses with a specific multimodal signal, during territorial advertisement	3
Irruptions of Pine Grosbeaks pulled by Rowanberry peaks in southern areas	3
Song structure of male Northern House Wrens and patterns of song production and delivery across the nesting cycle	3
The effect of daylight exposure on the immune response and body condition of Great Tit nestlings	3
Anting behavior in birds: the behavioral patterns and the interactions with ants in the subgenus Dendrolasius of the genus Lasius	3
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	3
Cross the sea where it is narrowest: migrations of Pacific Swifts (Apus pacificus) between Sakhalin (Russia) and Australia	3
The uropygial gland of the Great Cormorant (Phalacrocorax carbo): I. Morphology	3
Differential spatial migration programmes are both sex and age specific for migratory great cormorants	3
Breeding biology of the African Pygmy Falcon: long-term variation and seasonal decline in breeding performance of an arid zone raptor	3
Correction to: Area-restricted search in Magellanic Woodpeckers: importance of tree senescence, forest composition and open habitats	3
Size-assortative mating in a long-lived monogamous seabird	3
Disjunct resident population of Melodious Lark Mirafra cheniana discovered in East Africa	3
The presence of an invasive bird, the Common Starling, in an urban landscape: habitat use and relationships with other bird species	3
African birds as army ant followers	3