(Rallus aquaticus)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 1 000 – 1 800 pairs Distribution pattern Dispersed in the plains in the whole country depending on the presence of wetlands with water vegetation. More grouped along the...
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Common Nightingale
(Luscinia megarhynchos)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 200 000 – 500 000 pairs Distribution pattern Distributed throughout the country without the middle and high parts of the mountains of the Rila-Rhodope Massif, the...
Woodchat Shrike
(Lanius senator)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 15 000 - 20 000 pairs Distribution pattern With patchy and dispersed uneven distribution throughout the country without the higher mountains. More densely in Southeastern...
Western Marsh Harrier
(Circus aeruginosus)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 220 - 240 pairs Distribution pattern With patchy and dispersed distribution in the lower parts in most of the country, more concentrated in the central part of the...
Wallcreeper
(Tichodroma muraria)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 300 - 500 pairs Distribution pattern With limited patchy distribution close to rocky areas with specific exposure and microclimate, mainly in the higher rocky parts of...
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...
Wren
(Troglodytes troglodytes)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 50 000 - 100 000 pairs Distribution pattern Distributed throughout the mountains and most high valleys. Patchy and dispersed breeding grounds in the Danubian plain,...
Willow Tit
(Parus montanus)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 25 000 - 50 000 pairs Distribution pattern With patchy distribution, concentrated predominantly in the coniferous belt of the high mountains of the Rila-Rhodope Massif,...
Wood Lark
(Lullula arborea)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 40 000 - 80 000 pairs Distribution pattern Distributed everywhere in the hilly, low – mountainous and open field areas with sparse forests and shrubs in most of the...
Western Capercaillie
(Tetrao urogallus)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 1 200 – 1 800 calling males Distribution pattern With patchy distribution in the conifer forests belt in some of the high mountains - the Western Rhodopes, Rila, Pirin and...
White Wagtail
(Motacilla alba)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 30 000 - 70 000 pairs Distribution pattern Distributed throughout most of the country.Breeding distribution 2013 – 2020 – The distribution and the estimation of the...
Wood Warbler
(Phylloscopus sibilatrix)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 10 000 - 20 000 pairs Distribution pattern With patchy and dispersed distribution, more dense in the broad – leaved tree belt (and especially in the beech woods) of...
Willow Warbler
(Phylloscopus trochilus)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 10 - 50 pairs Distribution pattern With dispersed isolated nests in different parts of the country – both in the plains and in the mountains. Some of the...
Water Pipit
(Anthus spinoletta)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 18 000-25 000 pairs Distribution pattern With patchy distribution covering more fully the highest parts of the mountains Rila, Pirin, Stara Planina and Vitosha, and more...
White-tailed eagle
(Haliaeetus albicilla)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 2020: 43-60 pairs (2007: 30-50 pairs) Distribution pattern Breeds mainly on the Danube islands, the southeastern part of the country (mostly in the valleys of the...
Western Rock-nuthatch
(Sitta neumayer)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 2020: 93-185 pairs (2007: 200-500 pairs) Distribution pattern With limited patchy distribution. Higher population density of the species is found in the valleys of the...
White stork
(Ciconia ciconia)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 2020: 5828 pairs (2007: 4 956 – 5 672 pairs) Distribution pattern Widespread breeding synanthropic species. The white stork breeds almost all over the country, except for...
White-winged Tern
(Chlidonias leucopterus)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 2020: 0-42 pairs (2007: 0-50 pairs) Distribution pattern With single breeding sites along the eastern part of the Danube River. For the first time the breeding of...
White–backed Woodpecker
(Dendrocopos leucotos)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 2020: 818 - 1 388 pairs (2007: 1 200 – 1 700 pairs) Distribution pattern Widespread in broad-leaved deciduous and mixed primary forests in the mountains. High...
Whiskered Tern
(Chlidonias hybrida)Category of conservation concern (IUCN, 2020) - Least Concern Population size: 2020: 554 - 2037 pairs (2007: 220 - 800 pairs) Distribution pattern Dispersed and grouped mainly along the Danube River and in the Danubian Plain. With isolated breeding...