Bird Identifier
Glossy Ibis
Order: Pelecaniformes, Family: Threskiornithidae

Glossy Ibis

Plegadis falcinellus

A medium-sized wading bird with a long, curved downbill, dark legs, and iridescent dark reddish-brown plumage.

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Plumage & appearance

Adults in breeding plumage feature deep chestnut-brown body feathers with metallic green and purple glosses on the wings. Non-breeding adults and juveniles have duller, darker brown heads and necks streaked with white.

Key field marks

Decurved long bill, dark overall body with subtle green and purple sheen, dark legs, and lack of white on the face.

Size & weight

Length: 48-66 cm, Wingspan: 80-105 cm, Weight: 485-970 g

Voice — call & song

Generally quiet outside the breeding colony, but emits low, croaking grunts and hoarse groaning calls when disturbed or interacting.

Diet & foraging

Insects, crustaceans, mollusks, frogs, and small fish, foraged by probing mud or shallow water with its curved bill.

Habitat

Freshwater marshes, swamps, shallow lakes, flooded fields, and occasionally coastal lagoons and mangroves.

Migration & movement

Migratory in northern parts of its range, wintering further south; highly nomadic when not breeding.

Nesting & breeding

Builds a bulky stick nest in trees, bushes, or dense reeds, often in colonies alongside other waders. Lays 3-4 pale blue-green eggs.

Similar species

White-faced Ibis, which has red eyes, red facial skin, and brighter red legs during breeding season; easily confused when in non-breeding plumage.

Ecological significance

Acts as an apex predator of aquatic invertebrates and small vertebrates, helping to regulate wetland food webs.

Conservation status

Least Concern, with a generally stable or increasing global population trend.

Observation tips

Look for them probing the mud in shallow wetlands, marshes, and flooded agricultural fields, often in flocks.

Interesting facts

The Glossy Ibis is the most widespread ibis species in the world and has naturally expanded its range into the Americas from Africa.

More like this

Other order: pelecaniformes, family: threskiornithidae birds