Old World Flycatchers (Muscicapidae)

Asian Brown Flycatcher (Muscicapa dauurica) - HBW 11, p. 116

French: Gobemouche brun German: Braunschnäpper Spanish: Papamoscas Pardo
Other common names: Brown/Grey-breasted Flycatcher; Brown-streaked/Chocolate/Williamson’s Flycatcher (williamsoni)

Taxonomy: Muscicapa Grisola var. Dauurica Pallas, 1811, Onon River, Dauria, Siberia.
M. latirostris is a synonym. Probably forms a superspecies with M. randi and M. segregata; all have previously been considered conspecific. Distinctive race williamsoni sometimes treated as a separate species, mainly on basis that breeding range approaches that of siamensis (but no overlap yet demonstrated); a few individuals in shared non-breeding range have been considered intergrades between the two; further study required. Five subspecies recognized.

Subspecies and Distribution:

dauurica Pallas, 1811 - breeds C Siberia and SE Russia (E to Amurland and Ussuriland), N Mongolia, NE China, N Korea, Sakhalin I, S Kuril Is and Japan; non-breeding S China (Yunnan, Guangdong, Hainan), SE Asia (to W Myanmar), Philippines and Greater Sundas.
poonensis Sykes, 1832 - breeds NW Pakistan (Murree Hills) and Himalayan foothills E to E Nepal, also C & S India (Vindhya and Satpura Ranges, Western Ghats, possibly also Eastern Ghats); non-breeding peninsular India (principally S of Vindhya Range), Sri Lanka Andaman Is and Nicobar Is.
williamsoni Deignan, 1957 - breeds SE Myanmar and NW & S Thailand S to NE Peninsular Malaysia; non-breeding also S to Singapore and Sumatra, and W Borneo.

See all 5 subspecies

dauurica Pallas, 1811 - breeds C Siberia and SE Russia (E to Amurland and Ussuriland), N Mongolia, NE China, N Korea, Sakhalin I, S Kuril Is and Japan; non-breeding S China (Yunnan, Guangdong, Hainan), SE Asia (to W Myanmar), Philippines and Greater Sundas.
poonensis Sykes, 1832 - breeds NW Pakistan (Murree Hills) and Himalayan foothills E to E Nepal, also C & S India (Vindhya and Satpura Ranges, Western Ghats, possibly also Eastern Ghats); non-breeding peninsular India (principally S of Vindhya Range), Sri Lanka Andaman Is and Nicobar Is.
williamsoni Deignan, 1957 - breeds SE Myanmar and NW & S Thailand S to NE Peninsular Malaysia; non-breeding also S to Singapore and Sumatra, and W Borneo.
siamensis (Gyldenstolpe, 1916) - S Myanmar (N Tenasserim), NW Thailand and S Vietnam (S Annam, Cochinchina).
umbrosa Wells, 1982 - NE Borneo.