''Seicercus'' is a genus of

Old World warbler The Old World warblers are a large group of birds formerly grouped together in the bird family Sylviidae. They are not closely related to the New World warblers. The family held over 400 species in over 70 genera, and were the source of much taxo ...

formerly in the family

Sylviidae Sylviidae is a family of passerine birds that includes the typical warblers ''Sylvia'', and closely related genus '' Curruca'', formerly included in ''Sylvia''. They are found in Eurasia and Africa, with the greatest diversity in the Mediterrane ...

but now placed in

Phylloscopidae Leaf warblers are small insectivorous passerine birds belonging to the genus ''Phylloscopus''. Leaf warblers were formerly included in the Old World warbler family but are now considered to belong to the family Phylloscopidae, introduced in 2006 ...

. Recent scientific studies have recommended synonymizing this genus with '' Phylloscopus,'' and are placed there. The genus is distributed in the

Indian subcontinent The Indian subcontinent is a physiographic region of Asia below the Himalayas which projects into the Indian Ocean between the Bay of Bengal to the east and the Arabian Sea to the west. It is now divided between Bangladesh, India, and Pakista ...

and eastern

Asia Asia ( , ) is the largest continent in the world by both land area and population. It covers an area of more than 44 million square kilometres, about 30% of Earth's total land area and 8% of Earth's total surface area. The continent, which ...

from northern

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

Timor Timor (, , ) is an island at the southern end of Maritime Southeast Asia, in the north of the Timor Sea. The island is Indonesia–Timor-Leste border, divided between the sovereign states of Timor-Leste in the eastern part and Indonesia in the ...

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. ...

. 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 flock A mixed-species feeding flock, also termed a mixed-species foraging flock, mixed hunting party or informally bird wave, is a flock of usually insectivorous birds of different species that join each other and move together while foraging. These ar ...

s. 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 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 (biology), family Phylloscopidae. It is found in Asia from the eastern Himalayas to south-eastern China and southern Vietnam. Its natural habit ...

(''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'') * Sunda warbler (''Seicercus grammiceps'') * Yellow-breasted warbler (''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 (''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 Thailand, ...

(''Seicercus soror'') * Grey-crowned warbler (''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 (''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