An argus, or argus pheasant, is a member of a

clade A clade (), also known as a monophyletic group or natural group, is a group of organisms that are monophyletic – that is, composed of a common ancestor and all its lineal descendants – on a phylogenetic tree. Rather than the English term, ...

in the tribe

Pavonini Pavonini is a tribe of bird in the subfamily Phasianinae. Members of this family are primarily found in tropical Asia, along with one species in the Congo Rainforest in Africa. It contains two of the most charismatic members of the Phasianidae, ...

of the 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 ...

, containing two

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

bird Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweigh ...

that are closely related to

peafowl Peafowl is a common name for three bird species in the genera '' Pavo'' and '' Afropavo'' within the tribe Pavonini of the family Phasianidae, the pheasants and their allies. Male peafowl are referred to as peacocks, and female peafowl are ref ...

. It has hundreds or thousands of tiny white spots on its plumage pattern, and thus its naming might have been in reference to the mythical hundred-eyed giant, Argus Panoptes. Two

genera Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclat ...

of birds are considered arguses: '' Rheinardia'' and ''

Argusianus The great argus (''Argusianus argus'') is a species of pheasant from Southeast Asia. It is not to be confused with the two species of closely related crested argus, genus ''Rheinardia''. Taxonomy Carl Linnaeus gave the great argus its specif ...

''. Within these genera there are a total of three recognized species. ''

'' has also been credited with a mysterious second species that is sometimes thought to have gone

extinct Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...

, but this is most likely based on a simple genetic aberration in the established species. Both genera are thought to be

sister taxa In phylogenetics, a sister group or sister taxon, also called an adelphotaxon, comprises the closest relative(s) of another given unit in an evolutionary tree. Definition The expression is most easily illustrated by a cladogram: Taxon A and ...

to one another, and are otherwise most closely related to the

(genera '' Pavo'' and ''

Afropavo The Congo peafowl (''Afropavo congensis''), also known as the African peafowl or ''mbulu'' by the Bakôngo, is a species of peafowl native to the Congo Basin. It is one of three peafowl species and the only member of the subfamily Pavoninae nat ...

''), and slightly more distantly to the genus ''

Tropicoperdix ''Tropicoperdix'' is a genus of two species of birds in the pheasant family, Phasianidae. Although formerly classified in the now-defunct subfamily Perdicinae, phylogenetic evidence supports them being a sister group to the tribe Polyplectroni ...

.'' *Genus ''

Rafinesque Constantine Samuel Rafinesque-Schmaltz (; October 22, 1783September 18, 1840) was a French 19th-century polymath born near Constantinople in the Ottoman Empire and self-educated in France. He traveled as a young man in the United States, ultimat ...

, 1815 **

Great argus The great argus (''Argusianus argus'') is a species of pheasant from Southeast Asia. It is not to be confused with the two species of closely related crested argus, genus ''Rheinardia''. Taxonomy Carl Linnaeus gave the great argus its speci ...

(''Argusianus argus'' (

Linnaeus Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his ennoblement in 1761 as Carl von Linné Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, the ...

, 1766)) *Genus '' Rheinardia'' Maingonnat, 1882 **

Vietnamese crested argus The Vietnamese crested argus (''Rheinardia ocellata'') is a large and spectacular peafowl-like species of bird in the pheasant family with dark-brown-spotted black and buff plumage, a heavy pink bill, brown irises and blue skin around the eyes. ...

(''Rheinardia ocellata'' (

Elliot Elliot (also spelled Eliot, Elliotte, Elliott, Eliott and Elyot) is a personal name which can serve as either a surname or a given name. Although the given name has historically been given to males, females have increasingly been given the name ...

, 1871)) **

Malayan crested argus The Malayan crested argus (''Rheinardia nigrescens'') is a large and spectacular peafowl-like species of bird in the pheasant family with dark-brown-spotted black and buff plumage, a heavy pink bill, brown irises and blue skin around the eyes. Th ...

(''Rheinardia nigrescens'' (

Rothschild Rothschild () is a name derived from the German ''zum rothen Schild'' (with the old spelling "th"), meaning "with the red sign", in reference to the houses where these family members lived or had lived. At the time, houses were designated by sign ...

, 1902))

References

{{DEFAULTSORT:Argus (Bird) Pheasants Pavonini Bird common names Paraphyletic groups