Thai National Parks

Birds of Thailand

Species of Thailand

Chestnut-breasted malkoha

Thai: นกบั้งรอกเขียวอกแดง, nok bang-rok kieow ok daeng

Binomial name: Phaenicophaeus curvirostris, George Shaw, 1810

The chestnut-breasted malkoha (Phaenicophaeus curvirostris) is a species of cuckoo in the Cuculidae family. Found in Southeast Asia from Myanmar through to eastern Java, the Philippines and Borneo, it is a large cuckoo measuring up to 49 cm (19 in) with grey and dark green upperparts and chestnut underparts, and a large curved pale upper mandible. The male and female are similar in plumage. Unlike many cuckoos, it builds its nest and raises its own young.

Taxonomy

The chestnut-breasted malkoha was first described from a specimen collected in western Java by English naturalist George Shaw in 1810 as Cuculus curvirostris, before the genus Phaenicophaeus was erected by English naturalist James Francis Stephens in 1815. Its specific epithet is derived from the Latin words curvus "curved", and rostrum "beak". The genus name is derived from the ancient Greek phoiniko- "crimson", and phaes "eyes" or "face", referring to the red-faced malkoha. However, the 'œ' was transcribed incorrectly as 'æ'.

Description

Measuring 42–49 cm (17–19 in) in length, the chestnut-breasted malkoha has a large curved pale yellow upper mandible and darker red or black lower mandible, and a bare red patch of rough skin around the eye. The head is grey and wings are dark green fading to blue with age. Its underparts and rump are chestnut, and feet are dark grey. There is little sexual dimorphism as the male and female are similar in plumage, although the male has a pale blue iris and the female yellow.

Distribution and habitat

It is found in Brunei, Indonesia, Malaysia, Myanmar, the western Philippines, and southern Thailand.

Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical mangrove forests. It resides mainly in the middle story in dense foliage. Much of its forest habitat is being cleared.

Feeding

It eats small vertebrates, such as small lizards, frogs and baby birds, and insects, including caterpillars, grasshoppers, cicadas, stick insects, mantises, cockroaches, beetles and bugs, as well as spiders and small crabs.

Breeding

Unlike many cuckoos, the chestnut-breasted malkoha builds its nest and raises its own young. Breeding season varies by location, from August to December in Borneo, to January to September in Southeast Asia. The male and female pair up and build a nest around 35 cm (14 in) diameter of small branches and twigs, with a leaf-lined depression or cup around 11 cm (4 in) in diameter and 5 cm (2 in) deep. Two or three matte white eggs measuring 34 x 28 mm are laid. Both the female and male incubate the eggs, which usually hatch around 13 days after being laid. Young birds remain in the nest for around 11 days, during which time they are fed by both parents.

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Scientific classification

Kingdom
Animalia
Phylum
Chordata
Class
Aves
Order
Cuculiformes
Family
Cuculidae
Genus
Phaenicophaeus
Species
Phaenicophaeus curvirostris

Common names

  • Thai: นกบั้งรอกเขียวอกแดง, nok bang-rok kieow ok daeng

Subspecies

  • Phaenicophaeus curvirostris curvirostris, George Shaw, 1810

    Range: From central and western Java.

  • Phaenicophaeus curvirostris deningeri, Erwin Stresemann, 1912

    Range: From eastern Java and Bali.

  • Phaenicophaeus curvirostris harringtoni, Richard Bowdler Sharpe, 1877

    Range: From Palawan, Balabac, Calamian and Dumaran islands of the Palawan province of the western Philippines.

  • Phaenicophaeus curvirostris microrhinus, Hans Hermann Carl Ludwig von Berlepsch, 1895

    Range: From Bangka Island and Borneo.

  • Phaenicophaeus curvirostris oeneicaudus, Jean Baptiste Édouard Verreaux & Jules Pierre Verreaux, 1855

    Range: From western Sumatra Islands.

  • Phaenicophaeus curvirostris singularis, Carl Parrot, 1907

    Range: From southern Myanmar and Thailand, through the Malay Peninsula and into Sumatra, as well as the Anambas archipelago.

Conservation status

Least Concern (IUCN3.1)

Least Concern (IUCN3.1)

Chestnut-breasted malkoha

Chestnut-breasted malkoha

Creative Commons Attribution-ShareAlike 3.0 Unported

Distribution map of Chestnut-breasted malkoha, Phaenicophaeus curvirostris in Thailand
  • Ao Phang-Nga National Park
  • Bang Lang National Park
  • Hala-Bala Wildlife Sanctuary
  • Kaeng Krachan National Park
  • Kaeng Krung National Park
  • Khao Banthad Wildlife Sanctuary
  • Khao Chong
  • 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 Pu - Khao Ya National Park
  • Khao Sok National Park
  • Kromluang Chumphon Wildlife Sanctuary
  • Kui Buri National Park
  • Mueang Krabi District, Krabi
  • Mueang Phuket District, Phuket
  • San Kala Khiri National Park
  • Sri Phang-nga National Park
  • Tai Rom Yen National Park
  • Thale Ban National Park
  • Ton Nga-Chang Wildlife Sanctuary
  • Ton Pariwat Wildlife Sanctuary
  • Yan Ta Khao District, Trang

Range map of Phaenicophaeus curvirostris in Thailand

Important note; our range maps are based on limited data we have collected. The data is not necessarily accurate or complete.

Special thanks to Ton Smits, Parinya Pawangkhanant, Ian Dugdale and many others for their contribution for range data.

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