Races:
Certhia familiaris familiaris Linnaeus, 1758
Certhia familiaris daurica Domaniewski, 1922
Certhia familiaris tianschanica Hartert, 1905

No Synonyms

Description

Rare resident, or in places rare winter visitor. Inhabits coniferous, mixed and deciduous mountain forest, especially plots of old forest with mossy trees, at 1400-2500 m, out of breeding season visits gardens, groves and human settlements. Pairs are formed in March, nest construction in April – May. Nest is built in natural tree holes, under bark, in stump excavations, under house roof or in crevice between boards, and very rarely between vertical twigs, growing from place of break trunk, at 0.5-4 m above ground, rarely higher. Spruce, larch, birch and other trees are used. It is constructed from thin spruce twigs, dry grass, moss and bast lined with hair and plenty of feathers, by female for two weeks roughly. Clutches of 4-9, usually 5-7 eggs found in early May – mid-June. Only female incubates for 15-16 days, male feed her. Both parents feed juveniles, which fledge at 22-23 days old, in early June – early July. No information about double breeding existed. On dispersal occurs singly or in small groups in October, and up to February birds observed outside of breeding places.

Races

Common Treecreeper (Certhia familiaris familiaris)	Certhia familiaris familiaris Linnaeus, 1758 Upper parts darker, whitish spots smaller and less numerous than daurica. Occurs on dispersal and in winter in Ural valley down to Atyrau. Single bird recorded at October 1973 in Naurzum pine forest.
Common Treecreeper (Certhia familiaris daurica)	Certhia familiaris daurica Domaniewski, 1922 The most light race. Upper parts lighter, whitish spots bigger and more numerous, than at other races. Breeding in tape coniferous forests near Semipalatinsk, in Kalbinskiy and Southwest Altai and probably in Saur. Probably to this race observations at Astana 29 November and 16 December 1990 and in Kurgaldzhino Reserve 2 and 14 November 2002 concern.
Common Treecreeper (Certhia familiaris tianschanica)	Certhia familiaris tianschanica Hartert, 1905 Ochre shade on upper parts more yellowish, less brownish or rusty-brown. Bill longer than at other races. Breeding in Northern Tien Shan (Zailiyskiy, Kungey, Terskey, Ketmen' ridges) and Dzhungarskiy Alatau, and also in riparian forest in Charyn river. On dispersal occurs in Aksu-Dzhabagly Reserve (Talasskiy Alatau), in Almaty, Dzharkent and in foothills of Dzhungarskiy Alatau.

References

Gavrilov E. I., Gavrilov A. E. "The Birds of Kazakhstan". Almaty, 2005
Э.И.Гаврилов. "Фауна и распространение птиц Казахстана". Алматы, 1999.