ural owl sitting

aves big bird birds boreal branch crabo dark darkening estonia estonian eule eurasia eurasian europa europe european forest habichtskauz lapland large nocturnal nordic north northern on owl plumage predator puszczyk prnumaa serious sitting slagugle sowa strigidae strix ural uralense uralensis uralkauz uralska uralski vogel vogelart vgel wild wilderness wildlife winter wintery wood woods