Atlas of nesting birds in Bulgaria

Tengmalm`s Owl

(Aegolius funereus)

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

Population size: 600 – 900 pairs

Distribution pattern

With patchy distribution, concentrated in the higher parts of Rila, Pirin, Vitosha, Western and Central Stara Planina, Western Rhodopes, Osogovo Mountain and Slavyanka. At lower altitudes are found also in Ponor and Plana.

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


Breeds in coniferous forests (especially Picea abies, Pinus heldreihii and P. peuce, P. sylvestris) and mixed forests. Rarely in broad-leaved deciduous forests (mainly of Fagus sylvatica).

Trends in population changes for the period 2013-2020

Not analysed


Not analysed