The crested partridge (''Rollulus rouloul'') also known as the crested wood partridge, roul-roul, red-crowned wood partridge, green wood quail or green wood partridge is a

gamebird Galliformes is an order of heavy-bodied ground-feeding birds that includes turkeys, chickens, quail, and other landfowl. Gallinaceous birds, as they are called, are important in their ecosystems as seed dispersers and predators, and are often ...

in the

pheasant Pheasants ( ) are birds of several genera within the family (biology), family Phasianidae in the order (biology), order Galliformes. Although they can be found all over the world in introduced (and captive) populations, the pheasant genera na ...

family

Phasianidae The Phasianidae are a family (biology), family of heavy, ground-living birds, which includes pheasants, partridges, junglefowl, chickens, Turkey bird, turkeys, Old World quail, and peafowl. The family includes many of the most popular Game (hunti ...

of the order

Galliformes Galliformes is an order of heavy-bodied ground-feeding birds that includes turkeys, chickens, quail, and other landfowl. Gallinaceous birds, as they are called, are important in their ecosystems as seed dispersers and predators, and are often ...

, gallinaceous birds. It is the only member of the genus ''Rollulus''. This small

partridge A partridge is a medium-sized Galliformes, galliform bird in any of several genera, with a wide Indigenous (ecology), native distribution throughout parts of Europe, Asia and Africa. Several species have been introduced to the Americas. They a ...

is a resident breeder in lowland

rainforest Rainforests are characterized by a closed and continuous tree canopy, moisture-dependent vegetation, the presence of epiphytes and lianas and the absence of wildfire. Rainforest can be classified as tropical rainforest or temperate rainfores ...

s in south

Burma Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John Wells explai ...

, south

Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is bo ...

Malaysia Malaysia ( ; ) is a country in Southeast Asia. The federation, federal constitutional monarchy consists of States and federal territories of Malaysia, thirteen states and three federal territories, separated by the South China Sea into two r ...

Sumatra Sumatra is one of the Sunda Islands of western Indonesia. It is the largest island that is fully within Indonesian territory, as well as the sixth-largest island in the world at 473,481 km2 (182,812 mi.2), not including adjacent i ...

and

Borneo Borneo (; id, Kalimantan) is the third-largest island in the world and the largest in Asia. At the geographic centre of Maritime Southeast Asia, in relation to major Indonesian islands, it is located north of Java, west of Sulawesi, and eas ...

. Its nest is a ground scrape lined with leaves, which is concealed under a heap of leaf litter. Five or six white

eggs Humans and human ancestors have scavenged and eaten animal eggs for millions of years. Humans in Southeast Asia had domesticated chickens and harvested their eggs for food by 1,500 BCE. The most widely consumed eggs are those of fowl, especial ...

are incubated for 18 days. Unusually for a

galliform Galliformes is an order of heavy-bodied ground-feeding birds that includes turkeys, chickens, quail, and other landfowl. Gallinaceous birds, as they are called, are important in their ecosystems as seed dispersers and predators, and are often ...

species, the young are fed bill-to-bill by both parents instead of pecking from the ground, and although

precocial In biology, altricial species are those in which the young are underdeveloped at the time of birth, but with the aid of their parents mature after birth. Precocial species are those in which the young are relatively mature and mobile from the mome ...

, they roost in the

nest A nest is a structure built for certain animals to hold eggs or young. Although nests are most closely associated with birds, members of all classes of vertebrates and some invertebrates construct nests. They may be composed of organic materia ...

while small. The crested partridge is a rotund short-tailed bird, in length, with the male marginally larger than the female. Both sexes have a scarlet patch of bare skin around the eye and red legs without a spur or hind toe. The male is metallic green above with glossy dark blue underparts and a brownish wing panel. The head is adorned with a tall red crest, a white forehead spot and black frontal bristles. The female has pea-green body plumage apart from the brown wing

coverts A covert feather or tectrix on a bird is one of a set of feathers, called coverts (or ''tectrices''), which, as the name implies, cover other feathers. The coverts help to smooth airflow over the wings and tail. Ear coverts The ear coverts are sm ...

. She has a slate-grey head with the bristles but no spot or crest. The

bill Bill(s) may refer to: Common meanings * Banknote, paper cash (especially in the United States) * Bill (law), a proposed law put before a legislature * Invoice, commercial document issued by a seller to a buyer * Bill, a bird or animal's beak Plac ...

is all-dark. Young birds are duller versions of the adult of the same sex. The song is a mournful whistled ''si-ul''. The crested partridge is usually seen singly or in pairs as it uses its feet to probe the forest floor for

fruit In botany, a fruit is the seed-bearing structure in flowering plants that is formed from the ovary after flowering. Fruits are the means by which flowering plants (also known as angiosperms) disseminate their seeds. Edible fruits in particu ...

seed A seed is an embryonic plant enclosed in a protective outer covering, along with a food reserve. The formation of the seed is a part of the process of reproduction in seed plants, the spermatophytes, including the gymnosperm and angiospe ...

s and

invertebrate Invertebrates are a paraphyletic group of animals that neither possess nor develop a vertebral column (commonly known as a ''backbone'' or ''spine''), derived from the notochord. This is a grouping including all animals apart from the chordate ...

s."Crested Wood Partridge Fact Sheet, Lincoln Park Zoo"
/ref> When disturbed, it prefers to

run Run(s) or RUN may refer to: Places * Run (island), one of the Banda Islands in Indonesia * Run (stream), a stream in the Dutch province of North Brabant People * Run (rapper), Joseph Simmons, now known as "Reverend Run", from the hip-hop group ...

but if necessary it flies a short distance on its rounded wings. There is some concern about the effect of

habitat destruction Habitat destruction (also termed habitat loss and habitat reduction) is the process by which a natural habitat becomes incapable of supporting its native species. The organisms that previously inhabited the site are displaced or dead, thereby ...

on this bird, especially with regard to logging. However, it seems to be somewhat more adaptable than other

southeast Asia Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical United Nations geoscheme for Asia#South-eastern Asia, south-eastern region of Asia, consistin ...

n pheasants. The crested wood partridge is evaluated as Near Threatened on the

IUCN Red List The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is the world's most comprehensive inventory of the global conservation status of biol ...

of Threatened Species. It is listed on Appendix III of

CITES CITES (shorter name for the Convention on International Trade in Endangered Species of Wild Fauna and Flora, also known as the Washington Convention) is a multilateral treaty to protect endangered plants and animals from the threats of interna ...

Gallery

File:bristol.zoo.crested.wood.partridge.arp.jpg, Captive male with two females File:Rollulus rouloul -Toronto Zoo, Ontario, Canada -male-8a.jpg, Male at Toronto Zoo File:Rollulus rouloul -Toronto Zoo, Canada -male-8a.jpg, Male at

Toronto Zoo The Toronto Zoo is a zoo located in Toronto, Ontario, Canada. Encompassing , the Toronto Zoo is the largest zoo in Canada. It is divided into seven zoogeographic regions: Indo-Malaya, Africa, Americas, Tundra Trek, Australasia, Eurasia, and the ...

, Canada File:Rollulus rouloul -Tennessee Aquarium, Chattanooga, Tennessee, USA -female-8a.jpg, Female at

Tennessee Aquarium The Tennessee Aquarium is a non-profit public aquarium located in Chattanooga, Tennessee, United States. It opened in 1992 on the banks of the Tennessee River in downtown Chattanooga, with a major expansion added in 2005. The aquarium, which has ...

, Chattanooga, Tennessee, US File:Rouloul couronné MHNT.jpg, Egg of '' Rollulus rouloul '' - MHNT

References

* ''Pheasants, Partridges and Grouse'' by Madge and McGowan,

External links

* ARKive
images and movies of the Crested Wood Partridge ''(Rollulus rouloul)''

* ttps://web.archive.org/web/20070311095341/http://www.rdb.or.id/detailbird.php?id=340&sortby=latinname Red Data Book
Avicultural Data and Images
{{Taxonbar, from=Q763130 Rollulinae Partridges Birds of Southeast Asia Birds of Brunei Birds of Indonesia Birds of Malaysia Birds of Myanmar Birds of Thailand Birds described in 1786 Taxa named by Giovanni Antonio Scopoli