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Argus
An argus illustration from The Descent of Man, and Selection in Relation to Sex by Charles Darwin
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Order:	Galliformes
Family:	Phasianidae
Subfamily:	Phasianinae
Tribe:	Pavonini
Groups included
Rheinardia Argusianus
Cladistically included but traditionally excluded taxa
Pavo Afropavo

An argus, or argus pheasant, is a member of a clade in the tribe Pavonini of the family Phasianidae, containing two species of bird that are closely related to peafowl.

Description

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. These birds have a body shape similar to that of a turkey, however the males have long wing and tail feathers. Males are over six feet long while females are just under three feet long. Their feathers are brown or tan, with black mottling. The Male Argus have round, eye-like circles on their feathers. Males have quite long tails, with some tails measuring nearly five feet long. Females choose males with the longest tails because it means they are the fastest and smartest of the other birds. This species of birds is primarily found in tropical regions, or places with lots of plant growth and rainfall. The Great Argus lives in Sumatra, Southeast Asia, and Borneo. In Asia, they primarily inhabit the Malaysian Peninsula, Thailand, and south Myanmar. Their population density depends on the region at hand. Populations in some areas are healthy and more common, while others are low and rare. The lifespan of the Argus in the wild is unknown, but zoos have reported the species living up to 20 years of age.

Taxonomy

Two genera of birds are considered arguses: Rheinardia and Argusianus. Within these genera there are a total of three recognized species. Argusianus has also been credited with a mysterious second species that is sometimes thought to have gone extinct, but this is most likely based on a simple genetic aberration in the established species. Both genera are thought to be sister taxa to one another and are otherwise most closely related to the peafowl (genera Pavo and Afropavo), and slightly more distantly to the genus Tropicoperdix.

Genus and distribution

• Genus Argusianus Rafinesque, 1815
  • Great argus (Argusianus argus (Linnaeus, 1766))
• Genus Rheinardia Maingonnat, 1882
  • Vietnamese crested argus (Rheinardia ocellata (Elliot, 1871))
  • Malayan crested argus (Rheinardia nigrescens (Rothschild, 1902))

References

1. "Great Argus". www.bukitlawang.com. Retrieved 2021-08-02.
2. 1.Arlott 2. van Perlo Jorge 3. Mata 4. Carrizo 5. Chiappe Huber, 1.Norman 2. Ber 3. Rodriguez 4. Gustavo 5. Aldo 6. Luis (2021). The Complete Birds of The World. Princeton University Press. ISBN 9780691193922.{{cite book}}: CS1 maint: numeric names: authors list (link)
3. "Great Argus Pheasants : Purely Poultry". www.purelypoultry.com. Retrieved 2023-11-09.
4. "Galliformes". bird-phylogeny (in German). Retrieved 2021-08-02.
5. "Taxonomic Updates – IOC World Bird List". Retrieved 2021-08-01.

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