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The birdGray Peacock-pheasant (Polyplectron bicalcaratum)
Grey Peacock-pheasant - Kang-Kra Khan, Thailand H8O5535 (15362061647) by Francesco Veronesi from Italy, via Wikimedia Commons, licensed under CC BY-SA 2.0
gamebird

Gray Peacock-pheasant

Polyplectron bicalcaratum

A forest-floor pheasant of South and Southeast Asia whose gray-brown feathers are dotted with brilliant blue-green and purple eyespots, most striking across the spread tail.

Feather type
Contour and tail feathers with iridescent ocelli
Colours
Gray-brown finely vermiculated with blue-green and purple eyespots
Bird size
Small pheasant, ~55-76 cm including tail

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Overview

Overview

The Gray Peacock-pheasant ranges widely from the eastern Himalayan foothills through Southeast Asia and southern China, inhabiting dense forest understory. Its name references the multiple leg spurs found on males of this species, a trait shared with few other peacock-pheasants.

It is among the more frequently encountered peacock-pheasants due to its broader range, though it remains a shy, forest-dependent bird rarely seen in the open.

Identifying the Feather

Feather Identification

  • Body feathers: fine gray-brown vermiculation (thin wavy barring) across the body, giving a soft, mottled appearance
  • Ocelli (eyespots): numerous rounded spots in metallic blue-green to violet-purple, scattered over the back, wing coverts, and especially the long, broad tail feathers
  • Tail feathers: long and graduated, each with a prominent double row of ocelli visible when the tail is spread or dragged in display
  • Crest: short, bushy, grayish, raised during display
  • Legs: notably bear two or more spurs in males, a helpful in-hand identification feature
  • Distinguished from the Bornean and Malayan Peacock-pheasants by its grayer (less chestnut or rufous) overall tone and finer vermiculation pattern

Plumage & Molt

Plumage Details

Males show gray-brown vermiculated plumage densely covered in iridescent ocelli, most vivid on the tail feathers which are spread and tilted during courtship display. Females are smaller, browner, and carry fewer, duller spots, with a shorter tail lacking the full ocelli complement.

Juveniles resemble adult females. Adults undergo an annual molt that renews tail and wing feather ocelli, restoring their metallic brilliance after wear from ground foraging.

Habitat & Range

Habitat & Range

This species inhabits subtropical and tropical broadleaf forests, bamboo stands, and dense scrub from the eastern Himalayas through Myanmar, Thailand, Indochina, and into southern China. It is a resident, non-migratory species that stays within forest understory year-round, favoring areas with thick leaf litter for foraging.

Behavior & Field Notes

Behavior & Field Notes

Gray Peacock-pheasants forage alone or in pairs, scratching through leaf litter for seeds, fruit, and small invertebrates. Males perform a striking frontal display, spreading the tail and lowering the wings to present the full array of ocelli toward an observing female.

Ground nests are shallow scrapes hidden beneath forest vegetation. The call is a loud, harsh, repeated note often given at dawn or dusk from cover. In the field, a rustle in the undergrowth followed by a glimpse of a spotted gray-brown tail is a typical encounter with this species.

Frequently asked questions

Why is it called a 'two-spurred' peacock-pheasant?

Its scientific name bicalcaratum refers to the two or more spurs found on the legs of males, a distinctive trait of the species.

How do the feathers differ from the Bornean Peacock-pheasant?

Gray Peacock-pheasant feathers show finer gray-brown vermiculation rather than the warmer chestnut tone of Bornean birds.

Where is this species commonly found?

It ranges across forested regions from the eastern Himalayas through Southeast Asia and southern China.

What is the purpose of the eyespots during display?

Males spread their ocelli-covered tail and wings toward females to showcase the iridescent spots as part of courtship.