The Majestic Great Argus (Argusianus argus) in Khao Sok National Park

The Great Argus is a captivating bird native to Southeast Asia, renowned for its extraordinary size and stunning plumage. Male Great Argus birds are especially remarkable, with their elongated tail feathers stretching up to 1.7 meters and intricate eye-like patterns adorning their secondary wing feathers, making them a true spectacle of the rainforest.

Great Argus (Argusianus argus) in Khao Sok National Park

Common Name: Great Argus
Scientific Name: Argusianus argus
Family: Phasianidae (Pheasants)

Description

The Great Argus is a remarkable bird native to Southeast Asia, admired for its impressive size and elaborate plumage. Males boast strikingly long tail feathers, extending up to 1.7 meters, and intricate eye-like patterns on their secondary wing feathers. Their overall coloration consists of rich brown tones with detailed black, white, and blue-gray markings.

  • Male Features: The male is distinguished by its elongated tail feathers and vibrant ocelli (eye spots) on its wings, which play a key role in its elaborate courtship displays.
  • Female Features: Smaller and more subtly colored, the female has a shorter tail and muted plumage, providing effective camouflage in the dense forest environment.
 

Habitat

The Great Argus thrives in the lush lowland rainforests of Southeast Asia, including Khao Sok National Park. It favors dense, undisturbed areas with thick undergrowth, ideal for foraging and displaying its intricate mating dance.

  • Location in Khao Sok: Most commonly found deep within the forest, often near secluded trails. Due to their elusive nature, sightings of these birds are rare but rewarding.
 

Diet

The Great Argus has a diverse diet, consisting of fruits, seeds, small invertebrates, and occasionally tiny animals. It primarily forages on the forest floor, using its feet to scratch through leaf litter in search of food.

 

Behavior

Males are renowned for their elaborate courtship displays. They meticulously clear a patch of forest floor and perform a striking dance, fanning out their wings and long tail to showcase the eye-like patterns while calling out to attract females.

  • Mating Ritual: The male’s courtship display is one of the most mesmerizing performances in the bird world, typically occurring during the breeding season. Some males return to the same display site year after year.
  • Flight: The Great Argus is a ground-dwelling bird with limited flight capability, preferring to walk through dense undergrowth rather than fly.
 

Conservation Status

While the Great Argus is not currently classified as endangered, habitat destruction due to deforestation remains a significant threat to its population. Protecting rainforests like those in Khao Sok National Park is vital for the survival of this remarkable species.

 

Interesting Facts

  • The bird is named after Argus, a figure from Greek mythology known for having 100 eyes, a reference to the distinctive eye-like patterns on the male’s wings.
  • The male Great Argus boasts one of the longest and most elaborate tails among pheasants, making it a truly spectacular sight.
  • As part of Khao Sok’s rich biodiversity, the Great Argus is a fascinating species that attracts birdwatchers and nature lovers from around the world.