Family Old World Flycatchers and Chats (Muscicapidae)

Least Concern

Orange-flanked Bush-robin (Tarsiger cyanurus)


French: Robin à flancs roux German: Blauschwanz Spanish: Ruiseñor coliazul
Other common names: Red-flanked Bluetail, Siberian Bluetail

Motacilla Cyanurus


, 1773,

Yenisey, Russia


Until recently considered conspecific with T. rufilatus (which see). Proposed race pacificus not accepted. Monotypic.


EC & NE Finland and NW Russia (including C Kola Peninsula), and from Ural Mts E to N Sea of Okhotsk, Kamchatka, S to Altai (including NE Kazakhstan), N Mongolia, N & C Japan, NE China and N Korea; non-breeding S Japan, S Korea, E & SE China (mainly S of R Yangtze), Taiwan, Hainan and N SE Asia.

Descriptive notes

13–14 cm; 10–18 g. Male is deep blue above, with brighter blue crown-side, shoulder, rump and tail base, narrow whitish supercilium; white chin to vent,... read more


Song, by male from near top of bush or low branch, throughout day in early breeding season, also in... read more


Breeds in Siberia in taiga forest, with preference for old-growth mossy moist spruce (Picea... read more

Food and feeding

Little studied. Invertebrates, mainly insects; also fruits and seeds when not breeding. Stomachs of Russian breeders held beetles and their... read more


Season May–Aug in most of range, end Jun to mid Aug in N Korea; at least occasionally double-brooded, apparently regularly so in... read more


Migratory in most of range; in C & S Japan some merely undertake altitudinal movements to... read more

Status and conservation

Not globally threatened (Least Concern). Common in much of range, e.g. common breeder in Kuriles and N Japan (Hokkaido), rarer farther S. Common to abundant autumn migrant at... read more

Recommended citation

Collar, N., de Juana, E. & Christie, D.A. (2019). Orange-flanked Bush-robin (Tarsiger cyanurus). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 16 December 2019).