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 2021-11-01 to 2025-11-01.)

Article	Citations
Prioritizing Conservation and Research Effort for Poorly Known Species: The Buttonquails (Turnicidae) as a Study Case	18
Dads on Duty: First Account of Nest Sitting in Barnacle Ganders	13
Asymmetric Antipredator Behaviour in a Mixed-Species Colony of Two Non-Mobbing Bird Species	13
Factors influencing roost use by Short-toed Treecreepers Certhia brachydactyla at urban sites	11
The Fortunes of Migratory Birds from Eurasia: Being on a Tightrope in the Sahel	11
Molecular Methods to Study Great Cormorant Feeding Ecology	10
Autumn Migration of a Juvenile Hybrid of Red and Black Kite (Milvus milvus × M. migrans)	10
Decline in the Numbers of Eurasian Oystercatchers Haematopus ostralegus on the Exe Estuary Special Protection Area	10
Within- and between-Year Variation in the Presence of Individually Marked Ruff Calidris pugnax at a Stopover Site during Northward Migration	10
Studies of Food Ecology of Great Cormorant Phalacrocorax carbo in Relation to Water Transparency Require System-Adjusted Data: An Example from Two Polish Reservoirs	9
To See, Hear and Speak: How Counts of Birds in Individual Trees Help Address the Environmental Causes of the Sahel	9
Reducing Fish Losses to Great Cormorants Using Artificial Fish Refuges: Refining Refuge Deployment Strategies	9
Foreword	9
Distribution and Numbers of Arboreal Birds between the Hyper-Arid Sahara and the Hyper-Humid Guinea Forests	8
Dynamics of Naïve White Storks Ciconia Ciconia Migrating at the Central European Migratory Divide during 1947–2018	7
Granivorous Birds in the Sahel: Is Seed Supply Limiting Bird Numbers?	7
Incubation Before Clutch Completion Predicts Incubation Time and Hatching Asynchrony in the Blue Tit Cyanistes Caeruleus	7
Ornithology from the Lakeshore	7
Unexpected Alliances: Same-Sex Parenting in the Black-Vented Shearwater	7
The Diet of the West African Crested Tern Unveiled by an Analysis of Otoliths Collected Over 20 Years along Its Main Breeding Sites	7
Conspecific Density as a Driver of Offspring Body Condition in Three Cormorant Colonies in Denmark	6
The Gap of Chad, a Dearth of Migratory Birds in the Central Sahel	6
Migrations, Destinations and Breeding of Eurasian Curlews Numenius arquata arquata that Spend the Non-Breeding Season in Northern Scotland	6
Seasonal Shifts in Habitat Choice of Birds in the Sahel and the Importance of ‘Refuge Trees’ for Surviving the Dry Season	6
Breeding Biology of the Chilean Elaenia Elaenia chilensis, a Long-Distance Migratory Passerine in South America	6

First Record of an ‘Ino’ Colour Aberration in the European Pied Flycatcher Ficedula hypoleuca	6
Expanding East: Great Cormorants Phalacrocorax carbo Thriving in the Eastern Baltic and Gulf of Finland	6
Foraging Ecology of Red-Billed Tropicbirds on Saba, Caribbean Netherlands, during Early Chick-Rearing	5
The Effect of Different Mammalian Predator Management Regimes on the Reproductive Success of Black-Tailed Godwits Limosa limosa limosa	5
Migration Patterns and Recorded Emigration of the Great Cormorant Phalacrocorax carbo sinensis in the Largest French Colony of Lac de Grand-Lieu: Density-Dependent Factors Operating at Different Time	5
Selection by Birds of Shrub and Tree Species in the Sahel	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
Foraging Behaviour of the Eurasian Three-Toed Woodpecker Picoides tridactylus in Its Peak Abundance After Wildfire	4
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	4
Breeding Biology of the White-Throated Cacholote Pseudoseisura gutturalis ochroleuca, an Endemic Bird of the Monte Desert	4
On the Wintering Ecology of Montagu's Harriers in West Africa: Itinerancy in Relation to Varying Annual Environmental Conditions	4
Social Hierarchy within Communal Foraging Flocks of Great Cormorants Phalacrocorax carbo as Reflected by Differences in Prey Composition and Food Intake at the Roost	4
Ornithology from the FlatlandsSocially Migrating Cuckoos? on Genes Being Just One of Many Resources Shaping the Individual Development of Migration	3
Source-Sink Relationship in a Metapopulation of Suburban and Rural House Sparrow Populations	3
Great Cormorants Phalacrocorax carbo in the Netherlands: Five Centuries of Protection Amidst Almost European-Wide Persecution	3
Frequent Use of Offshore Wind Farms in the Southern North Sea by Migrating Terns	3
Ornithology from the Flatlands	3
Warmer Winters Increase the Breeding Success of the Goosander in the Pomeranian Lake District in Poland	3
Distribution and Numbers of Ground-Foraging Birds between the Hyper-Arid Sahara and the Hyper-Humid Guinea Forests	3
Do Cormorants and Recreational Anglers Take Fish of the Same Species and Sizes?	3
DNA Identification of a Putative Hybrid Azure Tit × Blue Tit	3
Primary Moult of Eurasian Spoonbills Platalea l. leucorodia in the Wadden Sea in Relation to Age, Breeding and Migration	2
Post-Breeding Distribution and Origins of Sandwich Terns Thalasseus sandvicensis in Danish Waters	2
Long-Term Changes in Winter Distribution of Danish-Ringed Great Cormorants	2
Importance of Algarrobo Trees Prosopis flexuosa for Territory Establishment of Three Seed-Eating Passerine Species in the Central Monte Desert	2
GPS-Tracking of Great Cormorants Phalacrocorax carbo sinensis Reveals Sex-Specific Differences in Foraging Behaviour	2
Winter Diet of Great Cormorants Phalacrocorax carbo in the River Geul, The Netherlands: The Importance of Common Small Riverine Fish Species	2
Time Shift in the Exploitation of Fish Stocks by Great Cormorants Phalacrocorax carbo at Lake IJsselmeer: How Wintering Birds began Competing for Fish with Breeding Conspecifics	2
Seed Dispersal by an Invasive Exotic Bird in Europe	2
The Annual Cycle, Breeding Biology and Feeding Ecology of the Lesser Black-Backed Gull Larus fuscus	2
H5N1 Avian Influenza Outbreak Caused Massive Mortality of Chicks of Sandwich Tern Thalasseus sandvicensis in the Lagoon of Venice	2
Diet Composition and Reproductive Performance in Central Europe's Last Gull-Billed Tern Population – a Long-Term Study	2
Variation in Migration Distance Does not Affect Arrival Date in the Subsequent Breeding Season of Dutch Barn Swallows Hirundo rustica	2
Effects of Rice Field Phenology on Breeding Parameters of Heron Colonies in the East of the Iberian Peninsula	2
Seed Dispersal by an Invasive Exotic Bird in Europe	1
Vocal Signalling by Eurasian Spoonbills Platalea leucorodia in Flocks before Migratory Departure	1
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
First Report of Polymelia in a Passerine Bird, the Pied Flycatcher	1
Habitat Specialisation Affects Fitness of the Marine and Continental Great Cormorant Subspecies in a Recently Evolved Sympatric Area	1
Food Choice and Prey Selection by Great Cormorants Phalacrocorax carbo in a Shallow Coastal Zone in the Dutch Delta Area: Importance of Local Flatfish Stocks	1
Ornithology from the Lakeshore	1
Evidence of Nocturnal Migration over Sea and Sex-Specific Migration Distance of Dutch Black-Headed Gulls	1
Climate Effects on Breeding Phenology of Peregrine and Lanner Falcons in the Mediterranean	1
Does the Provisioning of Artificial Nest Cups and Nesting Structures Help House Martins Delichon urbicum?	1
Stress and Body Condition Predict Haemosporidian Parasitaemia in Birds from Cerrado, Southeastern Brazil	1
Daily and Seasonal Patterns in the Singing Activity of Birds in East China	1
Natural Regulation of the Baltic Population of the Great Cormorant Phalacrocorax carbo sinensis: The Interplay between Winter Severity and Density Dependence	1
Clutch Size and Breeding Ecology of Multi-Brooded European Stonechats Saxicola rubicola in Acidic Inland Heathlands and Calcareous Coastal Dunes	1
Brood Sex Ratio in European Honey Buzzards Pernis apivorus is Related to Spring Phenology	1
Factors Influencing Habitat Use by Owls in a Mosaic Landscape in the Garo Hills, Northeast India	1

Savannah Trees Attract More Migratory Bird Species Than Residents, But Why?	1
Reflections: What Wildlife Needs and How to Provide It.	1
Second Breeding Attempts of Sandwich Terns in a Different Colony: Facilitated by Breeding Asynchrony between Colonies?	1
Reproductive Ecology of the Mountain Chiffchaff Phylloscopus sindianus on the Eastern Pamir Plateau	1
Foraging Behaviour of Nesting Grey Herons Inferred from PIT-Tagged Salmonid Fish	1
Phylogeny and Conservation Status of Mascarene Aerodramus Swiftlets	1
There must be Some Kind of Way Out of Here: Towards ‘Reframing’ European Cormorant-Fisheries Conflicts	1
The Little Owl: Population Dynamics, Behavior and Management of Athene noctua.	1
Variation and Acoustic Stability in the Call Duration of Tawny Owl Strix aluco Males	1
The Movements of Icelandic Breeding Purple Sandpipers Calidris maritima Outside the Breeding Season	1
Population Status, Breeding Biology and Diet of Norwegian Great Cormorants	1
The Diet of Two Sympatric Great Cormorant Phalacrocorax carbo Subspecies Wintering at Freshwater Fishery Sites in England and Wales	1