Wildlife Clinic

Species

Glossy ibis

Plegadis falcinellus

A dark, bronze-glossed ibis whose feathers flash green and purple in sunlight.

A glossy ibis feeding in shallow water, dark chestnut with metallic green and purple sheen on its wings and a long, down-curved bill.

Photo Judy Gallagher (opens in a new tab) / iNaturalist, CC BY-SA 4.0 (opens in a new tab)

At a glance

Size
About 46 to 66 cm long
Weight
About 500 to 800 g
Habitat
Marshes, flooded fields and coastal impoundments
Diet
Insects, crayfish, snails and small fish
In Georgia
An uncommon summer resident on the coast
Voice
A low, bleating "urnh"
Rabies vector
No

Identification

Key marks
Dark chestnut-bronze body with green and purple gloss; long, down-curved dark bill; thin pale lines on the face in breeding season
Told apart from
White ibis, which is white with a red bill
Where to look
Coastal impoundments and flooded fields

Behaviour

Glossy ibises probe mud for insects and crayfish, often in flocks with white ibises.

Why they matter

The glossy ibis is found on every continent except Antarctica, and it probably reached the Americas on its own from Africa. It is a sign of healthy freshwater wetlands on the coast.

Reproduction and lifecycle

Nest — A platform of sticks in mixed colonies
Eggs — Usually three or four
Incubation — About 21 days
Chicks — Fed by both parents
Lifespan — Several years

Living around people

  • Coastal impoundments that stay flooded in spring support nesting ibis.

Misconceptions

  • Dark ibises are young white ibises. Young white ibises are brown with white bellies; glossy ibises are dark all over.

Related species

Seasonal activity

When this species is breeding, and when there are nests on the ground. Mowing during the shaded months is how most nests are found.

Breeding and active nests by month for this species
JanFebMarAprMayJunJulAugSepOctNovDec
BreedingJan: noFeb: noMar: noApr: noMay: noJun: noJul: noAug: noSep: noOct: noNov: noDec: no
Active nestsJan: noFeb: noMar: noApr: noMay: noJun: noJul: noAug: noSep: noOct: noNov: noDec: no
NotesFew presentFew presentArrivingNestingNestingChicksYoung fledgingPresentLeavingFew remainFew presentFew present

Where it lives

Recorded in 21 states and provinces. Each one links to the other animals there, and to the rehabilitators licensed for them.

If you found one

Answer a few questions and you will get a specific answer for what you are looking at.

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