Species of Thailand

Bar-winged flycatcher-shrike

Hemipus picatus, William Henry Sykes, 1832

(In Thai: นกเขนน้อยปีกแถบขาว)

The bar-winged flycatcher-shrike (Hemipus picatus) is a small passerine bird usually placed in the Vangidae. It is found in the forests of tropical southern Asia from the Himalayas and hills of southern India to Indonesia. Mainly insectivorous it is found hunting in the mid-canopy of forests, often joining mixed-species foraging flocks. They perch upright and have a distinctive pattern of black and white, males being more shiny black than the females. In some populations the colour of the back is brownish while others have a dark wash on the underside.

Description

The bar-winged flycatcher-shrike is black capped with black wings that contrast with the white of the body. A white slash across the wing and a white rump stand out in contrast. They sit upright on branches, flying around to glean insects. The nostril is hidden by hairs and the upper mandible of the beak has a curved tip. Males are velvety black while females tend to be greyish brown but the pattern varies across the geographic populations. Both males and females of the Himalayan H. p. capitalis have a brown back but the males have a black head. The Sri Lankan population leggei lacks sexual dimorphism in plumage. H. p. intermedius has only the females with a brownish back. The tail is black but the outer tail feathers are white while the non-central tail feathers are tipped with white.

The call is a rapid and high or a and sometimes a sharp chip. Male-female pairs of the subspecies leggei of Sri Lanka have been reported to duet with precision.

Young birds are said to have a broken pattern of white and grey giving the appearance of lichens.

The exact systematic family position is unclear but the genus Hemipus has been found to be closely related to the genus Tephrodornis and show affinities to the Malaconotidae of Africa.

Distribution

The nominate race is found mainly in the Western Ghats of India but becoming very rare towards the Surat Dangs. They are also found in some parts of central and eastern India, extending into Bangladesh. The subspecies capitalis is found along the Himalayas from Simla, east to Manipur and Chittagong in India and extending into northern Thailand, Myanmar and Laos.

Subspecies leggei of Sri Lanka (southern Western Ghats populations included in older works) has the sexes indistinguishable. It is found in the hill forests of Sri Lanka.

Subspecies intermedius is found in Southeast Asia in Sumatra, Borneo, and parts of the Malay Peninsula. The brownish grey wash on the breast of females is darker, contrasting with the white of the abdomens. The back is darker brown than in other subspecies. The males also have darker breasts.

Other subspecies that have been described such as Walter Koelz's pileatus (described from the Lushai Hills) and insulae (from Sri Lanka) are not considered valid.

Behaviour and ecology

This bird catches insects by gleaning foliage and making aerial sallies for flushed insects. It will associate with other small birds such as babblers, velvet-fronted nuthatch and white-eyes in feeding flocks. They move through the forest and rarely stick to a particular location.

The nesting season in Sri Lanka is mainly from February to August, March to May in India. The nest is a neat cup with rim held stiff by cobwebs binding it and the inside is lined with fine grass and fibre. Lichens cover the surface of the nest cup which is placed on the horizontal surface of a dry branch, often close to the tip of a dead branch or on a leafless tree making it appear like a knot in the wood. The usual clutch is 2 or 3 eggs which are pale greenish white and blotched with black and grey. The bird sitting at the nest appears as if it is casually perched. Both males and females incubate. The chicks at nest stay still with eyes closed and face the center of the nest while holding their bills high giving the appearance of a broken branch.

They have been said to be sensitive to forest degradation but some studies note that they are less sensitive and capable of persisting even in considerably disturbed forests.

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Category / Seasonal Status

BCST Category: Recorded in an apparently wild state within the last 50 years

BCST Seasonal status: Resident or presumed resident

Scientific classification

Kingdom
Animalia
Phylum
Chordata
Class
Aves
Order
Passeriformes
Family
Vangidae
Genus
Hemipus
Species
Hemipus picatus

Common names

  • Thai: นกเขนน้อยปีกแถบขาว

Synonyms

  • Hemipus picaecolor
  • Muscicapa picata

Conservation status

Least Concern (IUCN3.1)

Least Concern (IUCN3.1)

Photos

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Hemipus picatus head
Bar-winged flycatcher-shrike

Range Map

Distribution map of Bar-winged flycatcher-shrike, Hemipus picatus in Thailand
  • Ban Bueng District, Chonburi
  • Bang Lang National Park
  • Bang Phra Non-Hunting Area
  • Chae Son National Park
  • Chaiya District, Surat Thani
  • Chaloem Phrakiat Thai Prachan National Park
  • Chiang Dao District, Chiang Mai
  • Chiang Dao Wildlife Sanctuary
  • Dan Sai District, Loei
  • Doi Inthanon National Park
  • Doi Lang
  • Doi Lo District, Chiang Mai
  • Doi Pha Hom Pok National Park
  • Doi Phu Kha National Park
  • Doi Saket District, Chiang Mai
  • Doi Suthep - Pui National Park
  • Erawan National Park
  • Hala-Bala Wildlife Sanctuary
  • Huai Kha Khaeng Wildlife Sanctuary
  • Huai Nam Dang National Park
  • Kaeng Krachan National Park
  • Kaeng Krung National Park
  • Khao Ang Rue Nai Wildlife Sanctuary
  • Khao Banthat Wildlife Sanctuary
  • Khao Chong
  • Khao Khitchakut National Park
  • Khao Laem National Park
  • Khao Lak - Lam Ru National Park
  • Khao Luang National Park
  • Khao Nam Khang National Park
  • Khao Nan National Park
  • Khao Phanom Bencha National Park
  • Khao Phra - Bang Khram Wildlife Sanctuary
  • Khao Phra Thaeo Wildlife Sanctuary
  • Khao Sam Roi Yot National Park
  • Khao Sanam Prieng Wildlife Sanctuary
  • Khao Soi Dao Wildlife Sanctuary
  • Khao Sok National Park
  • Khao Yai National Park
  • Khlong Lan National Park
  • Khlong Nakha Wildlife Sanctuary
  • Khon San District, Chaiyaphum
  • Khun Chae National Park
  • Khun Nan National Park
  • Khura Buri District, Phang Nga
  • Ko Chang National Park
  • Kromluang Chumphon Wildlife Sanctuary
  • Kui Buri National Park
  • Mae Moei National Park
  • Mae Ping National Park
  • Mae Rim District, Chiang Mai
  • Mae Wong National Park
  • Mueang Chiang Mai District, Chiang Mai
  • Mueang Chumphon District, Chumphon
  • Mueang Krabi District, Krabi
  • Mueang Tak District, Tak
  • Nam Nao National Park
  • Nam Phong National Park
  • Nong Ya Plong District, Phetchaburi
  • Op Khan National Park
  • Pa Sang District, Lamphun
  • Pachee River Wildlife Sanctuary
  • Pai District, Mae Hong Son
  • Pak Thale
  • Pang Sida National Park
  • Pha Daeng National Park
  • Phato District, Chumphon
  • Phu Hin Rong Kla National Park
  • Phu Khiao Wildlife Sanctuary
  • Phu Kradueng National Park
  • Phu Luang Wildlife Sanctuary
  • Phu Suan Sai National Park
  • Phu Toei National Park
  • Phu Wiang National Park
  • Sai Yok District, Kanchanaburi
  • Sai Yok National Park
  • Sakaerat Environmental Research Station
  • San Kala Khiri National Park
  • Sangkhom District, Nong Khai
  • Si Racha District, Chonburi
  • Sri Phang-nga National Park
  • Sukhirin District, Narathiwat
  • Tai Rom Yen National Park
  • Taksin Maharat National Park
  • Takua Pa District, Phang Nga
  • Tat Mok National Park
  • Thale Ban National Park
  • Tham Pratun Non-Hunting Area
  • Thap Lan National Park
  • Thung Salaeng Luang National Park
  • Thung Yai Naresuan Wildlife Sanctuary
  • Ton Nga-Chang Wildlife Sanctuary
  • Ton Pariwat Wildlife Sanctuary
  • Umphang Wildlife Sanctuary
  • Wang Mai Forest Restoration Project
  • Yan Ta Khao District, Trang
Range map of Hemipus picatus in Thailand