Thai National Parks

Species of Thailand

Ferruginous partridge

Caloperdix oculeus

Coenraad Jacob Temminck, 1815

In Thai: นกกระทาสองเดือย

The ferruginous partridge (Caloperdix oculeus) is a species of bird in the family Phasianidae. It belongs to the monotypical genus Caloperdix. It is found in Indonesia, Malaysia, Myanmar, and Thailand.

Taxonomy

The ferruginous partridge was originally described by Coenraad Jacob Temminck in 1815, who described it as Perdix oculea. The specific name oculea is a reference to the Latin oculus for eyes, meaning that it was full of eyes or dotted with coloured spots. The species was moved to the monotypic genus Caloperdix in 1861 by Edward Blyth. The generic name is derived from the Ancient Greek kalos for beautiful and perdikos for partridge.

The species has three described subspecies:

  • C. o. oculeus Temminck, 1815
  • C. o. ocellatus Raffles, 1822
  • C. o. borneensis Ogilvie-Grant, 1892

Distribution and habitat

The ferruginous partridge is found in a variety of habitats, including tropical dry forest and tropical moist lowland forest, secondary scrub and secondary bamboo growth. It is found from sea-level to 1200 m.

The ferruginous partridge ranges from southern Myanmar through the Kra Isthmus into the Malay Peninsula, as well as Borneo and Sumatra.

Description

The ferruginous partridge measures from 27 to(-) 32 cm in length and weighs between 191 - 230 g. The plumage is distinctive, having a rufous head, breast and belly and black scaled with white upper back and sides of breast and flanks. The wings are brown with black spots, and the rest of the back is black scaled with rufous. The sexes are similar except the male has two spurs and the female just one.  

Behaviour

The ferruginous partridge forages in small pairs or alone for seeds, fruits, grasses and insects. Very little is known about its breeding behaviour; the clutch size is 8-10 pure white eggs laid in a domed nest.

Status

The ferruginous partridge is believed to be declining across its range due to habitat loss, and has therefore been assessed as near threatened with extinction.

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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
Galliformes
Family
Phasianidae
Genus
Caloperdix
Species
Caloperdix oculeus

Common names

  • English: Ferruginous partridge
  • Spanish: Perdicilla herrumbrosa
  • Thai: นกกระทาสองเดือย

Synonyms

  • Caloperdix oculea, BirdLife International (2004)
  • Caloperdix oculea, BirdLife International (2000)
  • Caloperdix oculea, Charles Gald Sibley & Burt Leavelle Monroe (1990)

Conservation status

Near Threatened (IUCN3.1)

Near Threatened (IUCN3.1)

Near Threatened (IUCN3.1)

Near Threatened (BirdLife)

Endangered (IUCN3.1)

Endangered (ONEP)

Endangered (IUCN3.1)

Endangered (BCST)

Photos

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Ferruginous partridge

Range Map

Distribution map of Ferruginous partridge, Caloperdix oculeus in Thailand
  • Bang Lang National Park
  • Kaeng Krachan National Park
  • Khao Luang National Park
  • Khao Sok National Park
  • Kui Buri National Park
  • Thale Ban National Park
Range map of Caloperdix oculeus in Thailand