The Himalayan bluetail (''Tarsiger rufilatus''), also called the Himalayan red-flanked bush-robin or orange-flanked bush-robin, is a small

passerine A passerine () is any bird of the order Passeriformes (; from Latin 'sparrow' and '-shaped'), which includes more than half of all bird species. Sometimes known as perching birds, passerines are distinguished from other orders of birds by t ...

bird Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweigh ...

that was formerly classed as a member of the thrush family Turdidae, but is now more generally considered to be an

Old World flycatcher The Old World flycatchers are a large family, the Muscicapidae, of small passerine birds restricted to the Old World (Europe, Africa and Asia), with the exception of several vagrants and two species, Bluethroat (''Luscinia svecica)'' and Norther ...

of Muscicapidae. While currently under review, this taxon is not current recognized as a species by BirdLife international. It is closely related to the

red-flanked bluetail The red-flanked bluetail (''Tarsiger cyanurus''), also known as the orange-flanked bush-robin, is a small passerine bird that was formerly classed as a member of the thrush family Turdidae, but is now more generally considered to be an Old World ...

and was generally treated as a

subspecies In biological classification, subspecies is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. Not all species ...

of it in the past, but as well as differing in its migratory behaviour (the red-flanked bluetail is a long-distance migrant), it also differs in the more intense blue colour of the adult males and the greyer colour of the females and juveniles.

Description and distribution

The Himalayan bluetail is a short-distance altitudinal migrant species, breeding in the

Himalaya The Himalayas, or Himalaya (; ; ), is a mountain range in Asia, separating the plains of the Indian subcontinent from the Tibetan Plateau. The range has some of the planet's highest peaks, including the very highest, Mount Everest. Over 100 ...

in bush layer (dwarf

rhododendron ''Rhododendron'' (; from Ancient Greek ''rhódon'' "rose" and ''déndron'' "tree") is a very large genus of about 1,024 species of woody plants in the heath family (Ericaceae). They can be either evergreen or deciduous. Most species are nati ...

in wetter areas,

deciduous In the fields of horticulture and Botany, the term ''deciduous'' () means "falling off at maturity" and "tending to fall off", in reference to trees and shrubs that seasonally shed leaves, usually in the autumn; to the shedding of petals, aft ...

bushes in drier) of conifer and mixed conifer-oak forest, main species fir (''

Abies Firs (''Abies'') are a genus of 48–56 species of evergreen coniferous trees in the family Pinaceae. They are found on mountains throughout much of North and Central America, Europe, Asia, and North Africa. The genus is most closely related to ...

'') but sometimes in areas with ''

Picea smithiana ''Picea smithiana'' is a species of evergreen tree in the family Pinaceae family It is referred to by the common names morinda spruce and West Himalayan spruce, and is a spruce native to the western Himalaya and adjacent mountains, from northeas ...

'' or ''

Pinus wallichiana ''Pinus wallichiana'' is a coniferous evergreen tree native to the Himalaya, Karakoram and Hindu Kush mountains, from eastern Afghanistan east across northern Pakistan and north west India to Yunnan in southwest China. It grows in mountain valle ...

''/''

Cupressus torulosa ''Cupressus torulosa'', commonly known as the Himalayan cypress or Bhutan cypress, is a species of cypress tree native to the mountainous northern regions of the Indian subcontinent, primarily the Himalayas. It is a large tree, growing up to i ...

'' forest; at 3000–4400 m, not penetrating beyond tree-line and in winters found at 1,500–2,500 m typically in broadleaf evergreen forest, dense dark undergrowth and thickets, clearings, treefall gaps with vine tangles, open woodland; commonly seen along tracks; favours ridges and mountain tops.Collar, N. & de Juana, E. (2017). 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. It is insectivorous.

References

Himalayan bluetail Birds of Afghanistan Birds of the Himalayas Birds of Central China Birds of Yunnan Himalayan bluetail {{Muscicapidae-stub