OOIR: Observatory of International Research

Papers

(The median citation count of Ardea is 1. 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 2022-08-01 to 2026-08-01.)

Article	Citations
A Successful Mixed Brood between Eurasian Nuthatches Sitta europaea and Eurasian Blue Tits Cyanistes caeruleus	20
Prioritizing Conservation and Research Effort for Poorly Known Species: The Buttonquails (Turnicidae) as a Study Case	20
Dads on Duty: First Account of Nest Sitting in Barnacle Ganders	17
The Fortunes of Migratory Birds from Eurasia: Being on a Tightrope in the Sahel	16
Autumn Migration of a Juvenile Hybrid of Red and Black Kite (Milvus milvus × M. migrans)	15
Factors influencing roost use by Short-toed Treecreepers Certhia brachydactyla at urban sites	15
Decline in the Numbers of Eurasian Oystercatchers Haematopus ostralegus on the Exe Estuary Special Protection Area	13
To See, Hear and Speak: How Counts of Birds in Individual Trees Help Address the Environmental Causes of the Sahel	11
Foreword	11
Distribution and Numbers of Arboreal Birds between the Hyper-Arid Sahara and the Hyper-Humid Guinea Forests	10
The Diet of the West African Crested Tern Unveiled by an Analysis of Otoliths Collected Over 20 Years along Its Main Breeding Sites	10
Granivorous Birds in the Sahel: Is Seed Supply Limiting Bird Numbers?	9
Foraging by Common Redshanks Tringa totanus on the Polychaete Worms Hediste diversicolor and Nephtys hombergii: A Re-Analysis of Data First Published in 1977	9
Unexpected Alliances: Same-Sex Parenting in the Black-Vented Shearwater	9
Dynamics of Naïve White Storks Ciconia Ciconia Migrating at the Central European Migratory Divide during 1947–2018	8
Ornithology from the Lakeshore	8
Incubation Before Clutch Completion Predicts Incubation Time and Hatching Asynchrony in the Blue Tit Cyanistes Caeruleus	8
First Record of an ‘Ino’ Colour Aberration in the European Pied Flycatcher Ficedula hypoleuca	7
The Gap of Chad, a Dearth of Migratory Birds in the Central Sahel	7
Seasonal Shifts in Habitat Choice of Birds in the Sahel and the Importance of ‘Refuge Trees’ for Surviving the Dry Season	6
Migrations, Destinations and Breeding of Eurasian Curlews Numenius arquata arquata that Spend the Non-Breeding Season in Northern Scotland	6
Breeding Biology of the Chilean Elaenia Elaenia chilensis, a Long-Distance Migratory Passerine in South America	6
Key Habitat Factors of Breeding Birds in Agricultural Hedgerow Landscapes in East-Fryslân, the Netherlands, in European Perspective – Ecological Evaluation and Relation to Agri-Environmental Schemes	5
Fine-Scale Spatial Variation in Eurasian Kestrel Falco tinnunculus Diet in Southern England Revealed from Indirect Prey Sampling and Direct Stable Usotope Analysis	5
The Effect of Different Mammalian Predator Management Regimes on the Reproductive Success of Black-Tailed Godwits Limosa limosa limosa	5

Selection by Birds of Shrub and Tree Species in the Sahel	5
On the Wintering Ecology of Montagu's Harriers in West Africa: Itinerancy in Relation to Varying Annual Environmental Conditions	4
Foraging Ecology of Red-Billed Tropicbirds on Saba, Caribbean Netherlands, during Early Chick-Rearing	4
Male-Specific Territoriality and Use of Specific Calls during the Non-Breeding Season in the Polygynous Eurasian Wren Troglodytes troglodytes	4
Breeding Biology of the White-Throated Cacholote Pseudoseisura gutturalis ochroleuca, an Endemic Bird of the Monte Desert	4
Post-Breeding Distribution and Origins of Sandwich Terns Thalasseus sandvicensis in Danish Waters	3
Frequent Use of Offshore Wind Farms in the Southern North Sea by Migrating Terns	3
Determinants of Survival for Common Tern Chicks Sterna hirundo: The Importance of Hatch Order, Hatch Date and Other Factors across Three Decades	3
DNA Identification of a Putative Hybrid Azure Tit × Blue Tit	3
Ornithology from the Flatlands	3
Source-Sink Relationship in a Metapopulation of Suburban and Rural House Sparrow Populations	3
Diet Composition and Reproductive Performance in Central Europe's Last Gull-Billed Tern Population – a Long-Term Study	3
Distribution and Numbers of Ground-Foraging Birds between the Hyper-Arid Sahara and the Hyper-Humid Guinea Forests	3
Ornithology from the FlatlandsSocially Migrating Cuckoos? on Genes Being Just One of Many Resources Shaping the Individual Development of Migration	3
Presence of Mesopelagic Fish in the Diet of Two Sympatric Species of Storm Petrels	2
Variation in Migration Distance Does not Affect Arrival Date in the Subsequent Breeding Season of Dutch Barn Swallows Hirundo rustica	2
Primary Moult of Eurasian Spoonbills Platalea l. leucorodia in the Wadden Sea in Relation to Age, Breeding and Migration	2
Breeding Season, Clutch Size and Breeding Success in the Pallid Swift Apus p. pallidus in Southern Iran	2
Does the Provisioning of Artificial Nest Cups and Nesting Structures Help House Martins Delichon urbicum?	2
H5N1 Avian Influenza Outbreak Caused Massive Mortality of Chicks of Sandwich Tern Thalasseus sandvicensis in the Lagoon of Venice	2
The Annual Cycle, Breeding Biology and Feeding Ecology of the Lesser Black-Backed Gull Larus fuscus	2
The Timing and Duration of Snow Bunting Plectrophenax nivalis Primary Moult in High Arctic Northeast Greenland	2
Foraging Behaviour of Nesting Grey Herons Inferred from PIT-Tagged Salmonid Fish	2
Seed Dispersal by an Invasive Exotic Bird in Europe	2
Responses of Yellowhammer Emberiza citrinella, Pine Bunting E. leucocephalos and Their Hybrids to Playbacks of Con- and Heterospecific Songs and Calls in a Hybrid Zone	1
Phylogeny and Conservation Status of Mascarene Aerodramus Swiftlets	1
Flight Interruptions by European Western Marsh Harriers Crossing the Sahara Desert	1
Reflections: What Wildlife Needs and How to Provide It.	1
Reproductive Ecology of the Mountain Chiffchaff Phylloscopus sindianus on the Eastern Pamir Plateau	1
Ornithology from the Lakeshore	1
Savannah Trees Attract More Migratory Bird Species Than Residents, But Why?	1
Climate Effects on Breeding Phenology of Peregrine and Lanner Falcons in the Mediterranean	1
Second Breeding Attempts of Sandwich Terns in a Different Colony: Facilitated by Breeding Asynchrony between Colonies?	1
The Movements of Icelandic Breeding Purple Sandpipers Calidris maritima Outside the Breeding Season	1
Brood Sex Ratio in European Honey Buzzards Pernis apivorus is Related to Spring Phenology	1