Turkestan Tit

Description. The lightest and smallest race. On upper parts bluish tinge is well developed. Male wing 64.5-70.0, female 62.0-66.5 mm. Male bill 7.6-9.0, female 7.4-9.0 mm.
Distribution. Breeds from eastern coast of Aral Sea and Syrdarya delta eastward to Chu valley. Isolated breeding populations occur on Mangyshlak, in Ushtogan sands, where the nest with clutch was found, and on middle part of Emba valley, where adult and juvenal birds recorded in June.

Description. Upper parts are darker, more grey-bluish, less pure-bluish; general size is bigger than in bokharensis. Male wing 67.0-75.4, female 65.0-72.2 mm. Male bill 8.3-9.2, female 8.0-9.4 mm.
Distribution. Breeds in Western Tien Shan (Pskem and Ugam ridges). In Aksu-Dzhabagly Reserve breedы from 1983. Probably this race lives in Karatau (Besaryk river) and in Borolday, where 1982-1985 it breeds in nest-boxes. Recent years it became common an autumn at Chokpak Pass. On dispersal rarely occurs outside the breeding range.

Description. Upper parts are darker than in bokharensis, but lighter than in ferghanensis. Bill is larger and more massive than in other races. Male wing 68.2-73.5, female 68.2-70.7 mm. Male bill 8.6-9.6, female 8.8-10.0 mm.
Distribution. Breeds from western edge of Balkhash lake and Ile valley in north to Alakol depression. On dispersal rarely occurs outside the breeding range.