Overview

The Giant Ibis (Pseudibis gigantea) is the national bird of Cambodia and one of the world’s most critically endangered bird species. With an estimated 194 mature individuals remaining, it is a flagship species for conservation in the country.

Conservation Status

• IUCN Classification: Critically Endangered (CR)
• Estimated Population: 194 mature individuals

The species faces ongoing threats from habitat loss and environmental changes, making conservation efforts in Cambodia essential for its survival.

Key Facts

• National bird of Cambodia
• Typically seen alone or in pairs
• Feeds on frogs, insects, and eels
• Most active around forest pools during the dry season

In Preah Vihear, the Giant Ibis is locally known as “aoleuk”, named after its haunting call. According to local folklore, the call represents the cries of abandoned children asking their parents to lift them from the mud—giving the species deep cultural significance.

Where to See the Giant Ibis in Cambodia

The best places to see the Giant Ibis are located in Cambodia’s Northern Plains:

• Tmat Paeuy (highest probability of sightings)
• Vulture Restaurant area
• Prey Veng landscape

These areas provide the seasonal feeding grounds that are critical for the species’ survival.

Best Time to Visit

• Recommended season: January to April
• Why: The dry season concentrates birds around shrinking water sources, increasing visibility

Recommended Length of Stay

• 1 to 3 days

A short stay in key habitats is often enough to maximize your chances when guided by experienced local experts.

How to See the Giant Ibis

To improve your chances of seeing this rare bird, guided tours are highly recommended.

Sam Veasna Conservation Tours offers specialized itineraries to key Giant Ibis habitats:

• 5 Days – Critical Cambodia
  https://samveasna.com/multi-day-bird-tours/critical-cambodia/
• 8 Days – Essential Cambodia
  https://samveasna.com/multi-day-bird-tours/essential-cambodia/
• 10 Days – Wild Cambodia
  https://samveasna.com/multi-day-bird-tours/wild-cambodia/

Additional tours:

• Giant Ibis Experience (3 days)
• Cambodian Birding Supertour (19 days)
• Northern Plains Culture and Wildlife Adventure (3 days)

These tours combine expert guiding with conservation impact, supporting local communities that protect this species.