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Great Argus Pheasant
Secondary Flight Feather (Remex)

Great Argus Pheasant

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Galliformes, Family: Phasianidae, Genus: Argusianus, Species: Argusianus argus

Family: Phasianidae (Pheasants, Grouse, and Allies)

Shape
Broad and asymmetrical with a rounded tip; the trailing vane is significantly wider than the leading vane to support the intricate ocelli (eye-spot) patterns characteristic of males.
Size
Large and broad, typically 15 to 30 inches in length depending on the specific position in the wing. This specimen appears approximately 18-22 inches long.
Rarity
Rare in the wild and categorized as Near Threatened. Feathers are Uncommon to Rare in private collections outside of Southeast Asia.
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Description

The Great Argus is a massive pheasant where males can reach lengths of nearly 7 feet due to their incredible tail and wing feathers. They are known for their 'dancing grounds' where they clear a circle in the forest to perform Elaborate courtship rituals, fanning their wings into a giant disk.

Colour & Pattern

Highly intricate pattern consisting of dark brown to black irregular horizontal wavy bands and 'leopard-like' spotting on a cream-to-tan background. The rachis is creamy white.

Barb Structure

Densely packed pennaceous barbs on the main vane with a small plumulaceous section near the base (calamus). The barbs are stiff and well-interlocked to create a broad surface for display.

Texture & Surface

Smooth and somewhat matte on the patterned surface, but the feather is remarkably stiff and rigid compared to typical woodland birds to support its extreme size.

Key Features

Distinctive wavy 'salt and pepper' or leopard-spotting pattern, large size, asymmetrical vane, and a thick light-colored rachis.

Habitat

Primary and secondary tropical rainforests, typically in lowland areas below 1,300 meters elevation.

Geographic Range

Southeast Asia, particularly the Malay Peninsula, Sumatra, and Borneo.

Ecological Role

Terrestrial seed and fruit disperser; they also eat insects. They served as a prey species for large forest cats and are an indicator of healthy, undisturbed primary rainforest.

Similar Species

Lady Amherst's Pheasant or Great Horned Owl (which has similar banding but a much softer, 'fringed' texture for silent flight).

Interesting Facts

The genus name 'Argusianus' and common name 'Argus' refer to Argus Panoptes, the hundred-eyed giant of Greek mythology, because of the eye-spots (ocelli) found on these feathers.

Condition Notes

Good condition; shows some minor fraying at the base and distal tip, likely a naturally molted specimen. No significant sun bleaching.

Great Argus Pheasant | Feather Identifier