(Alcedo atthis)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 1 000 – 2 000 pairs Distribution pattern With grouped and linear distribution, close to the river network (the middle and lower reaches) and to other wetlands in the plains...
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Common Moorhen
(Gallinula chloropus)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 5 000-12 000 pairs Distribution pattern With uneven patchy distribution in the plains and lowlands of the whole country, most widespread along the Danube River and in...
Cirl Bunting
(Emberiza cirlus)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 50 000 - 70 000 pairs Distribution pattern With patchy and dispersed distribution in the lower parts of the whole country, more consistent in southern Bulgaria and along...
Eurasian Green Woodpecker
(Picus viridis)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 10 000 - 30 000 pairs Distribution pattern With almost ubiquitous distribution throughout the country without the highest parts of the mountains, some areas in Dobrudzha, the...
Barn Owl
(Tyto alba)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 500 – 1 000 pairs Distribution pattern With patchy and dispersed distribution throughout the country, more dense in the open plains and hilly areas of South-eastern Bulgaria, at...
European Greenfinch
(Chloris chloris)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 200 000 - 400 000 pairs Distribution pattern With almost ubiquitous distribution throughout the country except for the alpine areas of the mountains and isolated areas in...
Mallard
(Anas platyrhynchos)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 2 500 – 6 000 pairs Distribution pattern The most common breeding duck species, with dense or more dispersed distribution all over the country with the exception of the...
Common Teal
(Anas crecca)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 2020: 0-6 pairs (2007: 2-15 pairs) Distribution pattern With isolated single breeding habitats in neighbouring squares, mainly along the Danube River, the Black Sea Coast and...