Boreal Owl

Aegolius funereus sibiricus (Buturlin, 1910)

2015-03-03 Kustanai oblast. Karabalyk region. Old Park.	© Yuriy Malkov

Description

Upperparts less brown, more grey than in pallens. White spotting of upperparts more developed, dark pattern on underparts is less developed than in pallens.

Distribution

Occupies Kokchetav upland, pine forests in Semipalatinsk area, Altai (Rakhmanovskiye springs), Kalbinskiy Altai. On dispersal occurs in Kurgaldzhino (26 September 1969), in Naurzum Reserve, in lower Ural valley close to Kozhekharovo (23 October 1957) and near Atyrau.

References

"Птицы Казахстана" том 2. "Наука". Алма-Ата, 1962. Э.И.Гаврилов. "Фауна и распространение птиц Казахстана". Алматы, 1999. Gavrilov E. I., Gavrilov A. E. "The Birds of Kazakhstan". Almaty, 2005.