(Turdus merula)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 1 000 000 – 3 000 000 pairs Density pattern Uneven, the highest density (more than 1000 pairs/sq.) is in the low and middle parts of the mountains. The lowest (less than 10...
(Calandrella brachydactyla)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 1 200 – 3 000 pairs Distribution pattern With patchy and dispersed distribution in plains and low hilly areas throughout the country, mainly in Sakar, Kraimorska...
(Actitis hypoleucos)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 100 - 250 pairs Distribution pattern Dispersed all over the country, to a lesser extent in the Eastern part (the Black Sea coast and the adjacent areas, Dobrudzha and...
(Acrocephalus schoenobaenus)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 500 – 1 500 pairs Distribution pattern With patchy and dispersed distribution in the lowlands of the country - grouped in neighbouring squares along the Danube...
(Himantopus himantopus)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 350-430 pairs Distribution pattern With patchy and dispersed distribution, mainly along the Black Sea coast, in the Thracian Plain, along the Danube River and some...
(Galerida cristata)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 40 000 - 100 000 pairs Distribution pattern Everywhere in open fields throughout the country without the areas with vast and dense forests and the very mountainous parts...
(Parus cristatus)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 7000 - 10000 pairs Distribution pattern With patchy distribution in the coniferous belt in the high parts of the mountains Rila, Pirin, Slavyanka, Western Rhodopes and...
(Larus cachinans)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 50 - 100 pairs Distribution pattern With limited distribution along the Danube. Currently, colonies of the species are found in Ruse and Silistra, but it is possible that...
(Aythya fuligula)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 0 - 3 pairs Distribution pattern Dispersed isolated sites along the Danube River and the neighbouring parts of the Danubian Plain, the Black Sea coast, the Sofia Field and...
(Caprimulgus europaeus)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 7 000 - 10 000 pairs Distribution pattern With patchy distribution throughout most of the territory of the country with the exception of some areas with sparse shrub...
(Charadrius alexandrinus)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 2020: 33 - 85 pairs (2007: 120 - 150 pairs) Distribution pattern With isolated breeding sites along the Black Sea coast only – mainly in the Burgas Wetlands...
(Pelecanus crispus)Category of conservation concern (IUCN, 2020) – Near threatened Population size: 2020: 60 - 90 pairs (2007: 14 - 128 pairs) Distribution pattern Colonial species, with only one, traditional breeding site at the Srebarna Lake, known since the second...
(Spatula clypeata) (Anas clypeata)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 2020: 3-26 pairs (2007: 12-25 pairs) Distribution pattern A rare breeding species with a small population. Dispersed at isolated breeding localities,...
(Clamator glandarius)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 2020: 5-21 pairs (2007: 5-15 pairs) Distribution pattern With dispersed single localities at plain and hilly areas in the whole country, close to each other in the...
(Glareola pratincola)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 2020: 133 - 428 pairs (2007: 140 - 180 pairs) Distribution pattern With grouped breeding sites in three differentiated regions – the Thracian Plain (between the towns...
(Aythya ferina)Category of conservation concern (IUCN, 2020) - Vulnerable Population size: 2020: 69 -266 pairs (2007: 100-250 pairs) Distribution pattern With grouped and dispersed distribution, mainly along the Danube River and the Black Sea coast, where the main...
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