ulula

“Birds include species of swan goose Anser cygnoides, crested honey buzzard Pernis ptilorhyncus, black kite Milvus migrans, hawk owl Sunia ulula, rock ptarmigan Lagopus mutus, hazel grouse Tetrastes bonasia, capercaillie Tetrao urogallus and great bustard Otis tarda.”

Lake Baikal Basin, Russian Federation

“Coniferous forests on the northern side of the Tien Shan form the southern limits of several boreal species, including the black grouse (Lyrurus tetrix) and northern hawk owl (Surnia ulula), while desert birds, including the great bustard (Otis tarda, VU) and houbara bustard (Chlamydotis undulate, VU) occur in the low-altitude zones.”

Biological diversity in the mountains of Central Asia

“Owl species considered rare include: Bubo bubo, Strix nebulosa, Strix uralensis, Asio otus, Sumia ulula, Glaucidium passerinum and Aegolius funereus.”

Sayan montane conifer forests

“It was badly stage-managed; for even the rawest investiga - tors must be struck by the absence of the usual feminine ulula - tion.”

The Valley of Fear

“Common taiga birds are hazel grouse (Getrastes bonasia), capercaillie (Tetrao urogallus and T. parvirostris), the great grey owl (Strix nebulosa), hawk owl (Surnia ulula) and boreal owl (Aegolius funereus), the black woodpecker (Dryocopus martius), northern three-toed woodpecker (Picoides tridactylus), Siberian jay (Perisoreus infaustus) and the nutcracker (Nucifraga caryocatactes).”

Northeast Siberian taiga

“Northern Hawk Owl (Surnia ulula), Minnesota, United States.”

Western Great Lakes forests