The brown-streaked flycatcher (''Muscicapa williamsoni'') is a species of

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 ...

in the family Muscicapidae. It is found in southern

Myanmar Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John C. Wells, Joh ...

, southern

Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is bo ...

, northern peninsular

Malaysia Malaysia ( ; ) is a country in Southeast Asia. The federation, federal constitutional monarchy consists of States and federal territories of Malaysia, thirteen states and three federal territories, separated by the South China Sea into two r ...

, and northeast

Borneo Borneo (; id, Kalimantan) is the third-largest island in the world and the largest in Asia. At the geographic centre of Maritime Southeast Asia, in relation to major Indonesian islands, it is located north of Java, west of Sulawesi, and eas ...

. Some authorities consider it to be a subspecies of the

Asian brown flycatcher The Asian brown flycatcher (''Muscicapa dauurica'') is a small passerine bird in the flycatcher family Muscicapidae. The word ''Muscicapa'' comes from the Latin ''musca'', a fly and ''capere'', to catch. The specific ''dauurica'' refers to Dau ...

. In 2020, a

vagrant Vagrancy is the condition of homelessness without regular employment or income. Vagrants (also known as bums, vagabonds, rogues, tramps or drifters) usually live in poverty and support themselves by begging, scavenging, petty theft, temporar ...

was sighted south of the Australian town of Broome and its identity was confirmed from DNA analysis from the droppings of the bird. The species has a rufescent plumage in the breeding season and then becomes drab. The species name is after the collector Sir

Walter James Franklin Williamson Sir Walter James Franklin Williamson (16 April 1867 – 19 November 1954) was a colonial British official who worked as a financial advisor to the Kingdom of Siam. He also took an interest in collecting stamps and studied the birds of the region, c ...

References

{{Taxonbar, from=Q15133675 Muscicapa Birds of Southeast Asia Birds described in 1957 Taxa named by Herbert Girton Deignan