English: Orange-flanked Bush Robin, Red-flanked Bluetail, Blue-tailed Robin   
Russian: Синехвостка 
Mongolian: Гургалдай  хөхзоот, Хөх зоот
German: Blauschwanz  
French: Robin a flancs roux     
Japanese: ルリビタキ (Ruri-bitaki)

Body length: 13-14 cm
Wing span: 22-23 cm

Passage migrant /summer visitor
Breeding season: May-August

Egg number: 3-5 (occasionally 7)
Egg colour: Glossy white unmarked, often faint reddish-brown speckles.
Brood:  1 per year

Global status: Least concern
Regional status: Least concern

Food: Invertebrates and fruits in trees and on the ground.

Habitat: Breeding habitats consist of dense moist conifer forests with under shrubs, but also in donate birch wood with low cover. The nest is placed in a hollow or small cave in banks, river-cliffs, in standing or fallen hollow logs, on the ground between tree-roots, among stones, or in small depressions.