Rare resident, but common winter visitor on most of non-breeding territory. Inhabits the spruce-fir and cedar-larch forests with some deciduous trees at altitudes 1500-1900 m; in winter prefers the deciduous forests, shelterbelts, gardens and thickets of tall weeds. Breeds in separate pairs fairly far from each other. Nest is located in spruce at height 1.5-5 m above the ground; nest is built from the twigs, dry grass, moss and lichen and is lined with thin parts of plants, hair and feathers. Clutch of 4-7 eggs is laid in end of May - June. Mainly female incubates clutch for 13-15 days, male feed her. Both parents feed juveniles which fledge at age 15-16 days old. Probably rears two broods per season. Recently hatched juveniles were observed in first ten days of August, but full-grown juveniles were recorded in end of June to early August. Autumn dispersal begins late, in October, in southern part of Kazakhstan Bullfinches appears in end of November – December. Spring migration takes place from February up to end of March - mid-April.
Gavrilov E. I., Gavrilov A. E. "The Birds of Kazakhstan". Almaty, 2005. Э.И.Гаврилов. "Фауна и распространение птиц Казахстана". Алматы, 1999. В.К.Рябицев. "Птицы Урала, Приуралья и Западной Сибири". Екатеринбург. Издательство Уральского университета, 2000.