Field Guide

Glossy Ibis

Plegadis falcinellus

Aves › Pelecaniformes › Threskiornithidae › Plegadis

Conservation status: least_concern

Glossy Ibis (Plegadis falcinellus)
Photo: (c) Alexis Williams, some rights reserved (CC BY), CC BY 4.0, iNaturalist

The glossy ibis is a water bird in the order Pelecaniformes and the ibis and spoonbill family Threskiornithidae. The scientific name derives from Ancient Greek plegados and Latin, falcis, both meaning "sickle" and referring to the distinctive shape of the bill.

How To Identify

Measuring roughly 60-85 cm in length, it possesses sleek, dark plumage that catches light dramatically, contrasted by pale patches on the wings and striking long legs.

Habitat

Glossy Ibises inhabit shallow wetlands including marshes, swamps, rice paddies, and coastal lagoons, preferring areas with muddy bottoms and emergent vegetation.

Behaviour

They probe deeply into mud and shallow water with their long, curved bills to hunt for invertebrates, crustaceans, and small fish, often feeding in loose flocks that roost communally at night.

Native Range

The Glossy Ibis is thought to have originated in the Old World.

Did You Know?

Despite their dark plumage, Glossy Ibises have iridescent feathers that shimmer with purple, green, and bronze hues in sunlight. They can fly at speeds over 50 km/h and navigate using the Earth's magnetic field.

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