(Hirundo daurica)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 15 000 - 25 000 pairs Distribution pattern Distributed over the greater part of the territory of the country, more densely in the mountains and some rocky regions in the...
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Red-crested Pochard
(Netta rufina)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 0 - 1 pairs Distribution pattern After 1990, during the breeding season the species is observed in four wetlands. On May 24, 1993 at the marsh near the camping Europe, (west...
Red-backed Shrike
(Lanius collurio)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 300 000 - 700 000 pairs Distribution pattern Widespread throughout the country.Breeding distribution 2013 – 2020 – The distribution and the estimation of the population...
Red-breasted Flycatcher
(Ficedula parva)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 1 000 – 1 500 pairs Distribution pattern With patchy distribution, concentrated mainly in the beech tree belt of Stara Planina (eastward to the Sliven Mountain). With...
Red Kite
(Milvus milvus)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 0 pairs Distribution pattern Separate observations of single adult birds in different hilly and low mountainous parts of the country have been made: on May 13, 2003 near the...
Rufous-tailed Scrub-robin
(Cercotrichas galactotes)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 0-3 pairs Distribution pattern Single isolated breeding sites are known, mainly in Eastern Bulgaria and along the Black Sea coast. On the 17th and 18th of July...
Rock Sparrow
(Petronia petronia)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 150 - 300 pairs Distribution pattern With limited dispersed distribution. Breeds regularly in the southern parts of the Struma Valley and the neighbouring areas, north to...
Rock Bunting
(Emberiza cia)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 5000 - 8000 pairs Distribution pattern With patchy and dispersed distribution, more consistent in the mountains Rila-Rhodope Massif, Stara Planina, Vitosha, Strandzha and...
Whinchat
(Saxicola rubetra)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 2 500 – 5 000 pairs Distribution pattern With population in mountainous areas and in the plains. The much larger mountainous population has a patchy distribution, covering...
Rosy Starling
(Sturnus roseus)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 0 – 7 000 pairs Distribution pattern Nomadic species with irregular and unpredictable breeding in some sites, most often and more grouped along the Black Sea coast (around...
Eurasian River Warbler
(Locustella fluviatilis)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 130 - 530 pairs Distribution pattern With dispersed and patchy distribution, with nesting grounds in places along the Danube River and Lomovete, and isolated ones in...
Osprey
(Pandion haliaetus)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 0 pairs Distribution pattern Observed regularly during migration almost throughout the country as single birds spend the summer, but in the last 10 years, there is no...
Rook
(Corvus frugilegus)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 15 000 - 25 000 pairs Distribution pattern With patchy and dispersed distribution in the plains mainly in Northern Bulgaria, more densely in areas in the Danubian Plain,...
Rock Pigeon
(Columba livia)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 400 - 800 pairs Distribution pattern With predominantly patchy distribution, covering parts of the Rila–Rhodope Massif and more dispersed in the Western Stara Planina...
Ring Ouzel
(Turdus torquatus)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 15 000 – 30 000 pairs Distribution pattern With patchy distribution, favouring the coniferous and subalpine belt of the high mountains. Entirely covers the higher parts of...
Rock Partridge
(Alectoris graeca)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 800 – 1 500 pairs Distribution pattern Patchy in all high mountains - Western and Central Stara Planina, Rila, Pirin, part of the Western Rhodopes, Vitosha, Osogovska and...
Little Ringed Plover
(Charadrius dubius)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 1 200 - 1 800 pairs Distribution pattern With linear and patchy distribution in the plains and the low areas of mountains over the whole country, close to the river...
Red-footed Falcon
(Falco vespertinus)Category of conservation concern (IUCN, 2020) – Near threatened Population size: 2020: 0 - 16 pairs (2007: 0 - 10 pairs) Distribution pattern At present breeds sporadically in the Sliven District. In the past mainly in the open plains of Northern...
Ruddy Shelduck
(Tadorna ferruginea)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 2020: 82-153 pairs (2007: 40-80 pairs) Distribution pattern A small population species with isolated breeding sites in Northeastern Bulgaria and in the region of Burgas....
Great White Pelican
(Pelecanus onocrotalus)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 2020: 0 - 9 pairs (2007: 0 – 2 pairs) Distribution pattern A rare breeding species with a small population. In different years, several pairs have nested at Srebarna...
Rufous-tailed Rock-thrus
(Monticola saxatilis)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 2020: 278 - 590 pairs (2007: 1 200 – 2 500 pairs) Distribution pattern Species with a small population and with limited uneven distribution (Stoynov, Mitev, 2007;...
Common Black-headed Gull
(Larus ridibundus)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 2020: 10-99 pairs (2007: 180-250 pairs) Distribution pattern With isolated breeding habitats only along the Danube River (Srabarna Lake, Orsoya and the Kalomok fishponds)...
Reed Bunting
(Emberiza schoeniclus)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 2020: 62-133 pairs (2007: 200-400 pairs) Distribution pattern With limited dispersed distribution following the distribution of marshes with extensive reed beds,...
Red-necked Grebe
(Podiceps nigricollis)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 2020: 35-79 pairs (2007: 30–70 pairs) Distribution pattern With isolated breeding habitats along the Danube River, locally in the Thracian Plain and along the Black...