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Giant Ibis

Pseudibis gigantea

Critically Endangered · IUCN Red List

CRCritically EndangeredEndemicInvertebratesWetlandHuge · 4.2 kg
Giant Ibis (Pseudibis gigantea), photo 1
Photo: Katharine Khamhaengwong · CC BY 4.0
Giant Ibis (Pseudibis gigantea), photo 2
Photo: Katharine Khamhaengwong · CC BY 4.0
Giant Ibis (Pseudibis gigantea), photo 3
Photo: Forest Botial-Jarvis · CC BY 4.0
Giant Ibis (Pseudibis gigantea), photo 4
Photo: Forest Botial-Jarvis · CC BY 4.0
Giant Ibis (Pseudibis gigantea), photo 5
Photo: USAID U.S. Agency for International Development · Public domain
Giant Ibis (Pseudibis gigantea), photo 6
Photo: Katharine Khamhaengwong · CC BY 4.0
Giant Ibis (Pseudibis gigantea), photo 7
Photo: Katharine Khamhaengwong · CC BY 4.0
Giant Ibis (Pseudibis gigantea), photo 8
Photo: Katharine Khamhaengwong · CC BY 4.0
Giant Ibis (Pseudibis gigantea), photo 9
Photo: Forest Botial-Jarvis · CC BY 4.0
Giant Ibis (Pseudibis gigantea), photo 10
Photo: Forest Botial-Jarvis · CC BY 4.0

ID tip

True to its name, it is the largest extant ibis species. Adults are 102–106 cm (40–41.5 in) long and weigh about 4.2 kg (9.3 lb). Among standard measurements, the wing chord is 52.3–57 cm (20.6–22.4 in), the tail is 30 cm (12 in), the tarsus is 11 cm (4.3 in) and the culmen is 20.8–23.4 cm (8.2–9.2 in). The adults have overall dark grayish-brown plumage with a naked, greyish head and upper neck. There are dark bands across the back of the head and shoulder area and the pale silvery-grey wing tips also have black crossbars.

Text from Wikipedia, licensed CC BY-SA 4.0.

When to see the Giant Ibis

One bar for each month. Filled bars are the 5 months with records; pale bars are months with none. The wide bar is February, the month with the most records.

Where to see the Giant Ibis

Regular range

The map shades 1 country with regular records. Everything unshaded has no records. Countries are listed below the map.

Cambodia

About the Giant Ibis

The giant ibis is a wading bird of the ibis family, Threskiornithidae. It is confined to northern Cambodia, with a few birds surviving in extreme southern Laos and a recent sighting in Yok Đôn National Park, Vietnam. It is sometimes placed in the genus Thaumatibis.

Text adapted from Wikipedia, licensed CC BY-SA 4.0.

Easily confused with

White-shouldered Ibis (Pseudibis davisoni) White-shouldered IbisPseudibis davisoniThe adult stands 60–85 cm tall, with males being slightly larger and having slightly longer bills than females. Red-naped Ibis (Pseudibis papillosa) Red-naped IbisPseudibis papillosaThe red-naped ibis is a large black bird with long legs and a long downcurved bill.

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