''Seicercus'' is a genus of Old World warbler formerly in the family Sylviidae but now placed in Phylloscopidae. Recent scientific studies have recommended synonymizing this genus with '' Phylloscopus,'' and are placed there. The genus is distributed in the Indian subcontinent and eastern Asia from northern

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

to Timor in the Lesser Sundas. Many of the more northerly species are migratory, breeding in temperate climates and wintering in the tropics; others are attitudinal migrants, moving down from the mountains in the winter. A few species are migratory over part of their range and resident in others.Del Hoyo, J.; Elliot, A. & Christie D. (editors). (2006).

Handbook of the Birds of the World The ''Handbook of the Birds of the World'' (HBW) is a multi-volume series produced by the Spanish publishing house Lynx Edicions in partnership with BirdLife International. It is the first handbook to cover every known living species of bird. T ...

. Volume 11: Old World Flycatchers to Old World Warblers. Lynx Edicions. P.p. 675-679 . The ''Seicercus'' warblers are small passerines that range in size from 9.5 to 12 cm in length and weigh around 4-9 g. All species have green wings and yellow bellies, most have yellow breasts as well. The head is either grey, green or buff/brown, and all species have stripes on the crown or face as well as a yellow or white eye-ring. The sexes are similar to each other. ''Seicercus'' warblers feed on insects, usually obtained by gleaning and short sally flights. A few species associate with mixed-species feeding flocks. Different species feed in different parts of the forest, some, like the

chestnut-crowned warbler The chestnut-crowned warbler (''Phylloscopus castaniceps'') is a species of leaf warbler (family Phylloscopidae). It was formerly included in the "Old World warbler" assemblage. It is found in Bangladesh, Bhutan, Cambodia, China, India, Indonesi ...

feed in the canopy whereas the

Sunda warbler The Sunda warbler (''Phylloscopus grammiceps'') is a species of Old World warbler in the family Phylloscopidae. It is found only in Indonesia. The Sunda warbler was previously placed in the genus ''Seicercus''. A molecular phylogenetic study publ ...

prefers the understory and lower canopy. It contained the following species: *

White-spectacled warbler The white-spectacled warbler (''Phylloscopus intermedius'') is a species of leaf warbler in the family Phylloscopidae. It is found in Asia from the eastern Himalayas to south-eastern China and southern Vietnam. Its natural habitats are subtropica ...

(''Seicercus affinis'') *

Green-crowned warbler The green-crowned warbler (''Phylloscopus burkii'') is a species of leaf warbler (family Phylloscopidae). It was formerly included in the "Old World warbler" assemblage. It is found in the Indian subcontinent, ranging across Bangladesh, Bhutan, ...

(''Seicercus burkii'') *

Chestnut-crowned warbler The chestnut-crowned warbler (''Phylloscopus castaniceps'') is a species of leaf warbler (family Phylloscopidae). It was formerly included in the "Old World warbler" assemblage. It is found in Bangladesh, Bhutan, Cambodia, China, India, Indonesi ...

(''Seicercus castaniceps'') *

(''Seicercus grammiceps'') *

Yellow-breasted warbler The yellow-breasted warbler (''Phylloscopus montis'') is a species of Old World warbler in the family Phylloscopidae. It is found in Indonesia, Malaysia, and Palawan Island in the Philippines. The species is most common on the islands of Sumatra ...

(''Seicercus montis'') *

Martens's warbler Martens's warbler (''Phylloscopus omeiensis''), also known as Omei warbler or Emei Shan warbler, is a species of Old World warbler in the family Phylloscopidae (or Sylviidae). It was first described in 1999. It is found in China and Myanmar. I ...

(''Seicercus omeiensis'') *

Grey-cheeked warbler The grey-cheeked warbler (''Phylloscopus poliogenys'') is a species of leaf warbler (family Phylloscopidae). It was formerly included in the "Old World warbler" assemblage. It is native to Bangladesh, Bhutan, China, India, Laos, Myanmar, Nepal, ...

(''Seicercus poliogenys'') *

Alström's warbler Alström's warbler (''Phylloscopus soror''), or the plain-tailed warbler, is a species of Old World warbler in the family Phylloscopidae. It was first described in 1999. It breeds only in China and winters as far as Thailand, Laos, Cambodia and ...

(''Seicercus soror'') *

Grey-crowned warbler The grey-crowned warbler (''Phylloscopus tephrocephalus'') is a species of Old World warbler in the family Phylloscopidae. It is found in Bangladesh, China, India, Laos, Myanmar, Thailand and Vietnam. Its natural habitats are temperate forests, s ...

(''Seicercus tephrocephalus'') *

Bianchi's warbler Bianchi's warbler (''Phylloscopus valentini'') is a species of leaf warbler (family Phylloscopidae). It was formerly included in the "Old World warbler" assemblage. It is found in China, Laos, Myanmar, and Vietnam. Its natural habitats are tempe ...

(''Seicercus valentini'') *

Whistler's warbler Whistler's warbler (''Phylloscopus whistleri'') is a species of leaf warbler (family Phylloscopidae). It was formerly included in the "Old World warbler" assemblage. It is found in the Indian subcontinent, from the Himalayas to Myanmar. Its natu ...

(''Seicercus whistleri'')

Grey-hooded warbler The grey-hooded warbler (''Phylloscopus xanthoschistos'') is a species of leaf warbler (family Phylloscopidae). It is most famous for the way it warbles. It was formerly included in the "Old World warbler" assemblage. It is found in the Himalaya ...

(''Phylloscopus xanthoschistos'') was formerly included in this genus.

Taxonomic note

The species known as golden-spectacled warbler ''Seicercus burkii'' (Sibley and Monroe 1990, 1993) was split into ''S. burkii'', ''S. valentini'', ''S. whistleri'', ''S. soror'' and ''S. tephrocephalus'' following Alström & Olsson (1999) and ''S. omeiensis'' following Martens et al. (1999).

References

*http://www.birdlife.org/datazone/species/index.html?action=SpcHTMDetails.asp&sid=32281&m=0 Taxonomy articles created by Polbot {{Phylloscopidae-stub