Atlas of nesting birds in Bulgaria

Tawny Owl

(Strix aluco)

Category of conservation concern (IUCN, 2020) – Least Concern

Population size: 4 000 – 8 000 pairs

Distribution pattern

Patchy and dispersed, denser in almost the entire territory of the foothills and the mountain areas, more dispersed in the plains with less forested areas (Danubian Plain, Thracian Plain, Burgas Plain, etc.) and at some low mountains and hilly areas (Sakar, Derventa Hills, Malashevska Mountain, Ograzhden, etc.). The identified breeding grounds may not cover all existing ones.

Big size map

Breeding distribution 2013 – 2020 – The distribution and the estimation of the population size of the species for the period 2013 – 2020 is presented –

Comparative distribution of the species compared to the first breeding birds atlas (Iankov, 2007): Breeding locality until 2007 | Breeding locality until 2007, confirmed after 2015 – | New breeding locality after 2015. – The breeding localities after 2015 are identified on a base of raw data from smartbirds.org.

Habitats

Breeds in various habitats, mainly in broad-leaved deciduous forests, mixed forests, coniferous forests, alluvial and riverine forests and brush, sometimes in orchards, tree and shrub plantations, strips of trees, bushes and mosaics of them, public parks and gardens, and in other parts of towns, villages, including industrial zones (including on buildings, but also on solitary constructions outside settlements). Rarely breeds on inland cliffs and exposed rocks.

Trends in population changes for the period 2013-2020

Not analysed

Threats

Not analysed