Red-flanked Bluetail
\nThe
Red-flanked Bluetail (
Tarsiger cyanurus) 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 flycatcher, Muscicapidae. It, and related species, are often called
chatss.
It is a
migratory insectivorous species breeding in mixed
coniferous forest with undergrowth in north
Asia to the
Himalayas and western
China. Red-flanked Bluetails winter in southeast Asia.
The species’ range is slowly expanding westwards through
Finland. It is a very rare but increasing vagrant to western Europe, and there have been a few records in westernmost
North America.
The Red-flanked Bluetail nests near the ground, laying 3-5 eggs which are incubated by the female.
It is slightly larger in size than the
European Robin. As the name implies, both sexes have a blue tail and reddish flanks. The adult male has dark blue upperparts and white underparts. Females are plain brown above and have a dusky breast.
The male sings its melancholy trill from treetops. Its call is a typical chat "tacc" noise.