Glossy ibis

This carnivorous aquatic predator lives in wetland habitat, has a terrestrial foraging lifestyle and is partially migratory. The IUCN Red List assesses it globally as Least Concern, which is not a threatened category.

Weight

605 g – 662.5 gsrc for Weight

Length

Not recorded

Wingspan

89 cmsrc for Wingspan

Lifespan

17.1 yearssrc for Lifespan

Diet

Aquatic predatorsrc for Diet

Longest recorded lifespan

26.8 years

Main food

Not recorded

Habitat

wetlandsrc for Habitat

Egg incubation

21 dayssrc for Egg incubation

Young per litter or clutch

3.5 – 4src for Young per litter or clutch

Age at maturity

3 yearssrc for Age at maturity

Litters or clutches a year

1src for Litters or clutches a year

Lifestyle

Terrestrialsrc for Lifestyle

Migration

Partialsrc for Migration

Conservation status

Least Concern (IUCN)src for Conservation status

Countries on record

Not recorded

Not recorded

The glossy ibis is listed as Least Concern on the IUCN Red List: it is not currently at risk of extinction.

1. LCLeast Concern
2. NTNear Threatened
3. VUVulnerable
4. ENEndangered
5. CRCritically Endangered
6. EWExtinct in the Wild
7. EXExtinct

Category via Wikidata (CC0). Find the full assessment on the IUCN Red List. See all Least Concern species.

1. kingdomAnimalia
2. phylumChordata
3. classAves
4. orderPelecaniformes
5. familyThreskiornithidae
6. genusPlegadis
7. SpeciesPlegadis falcinellus (Linnaeus, 1766)

Synonyms Ibis falcinellus, Ibis falcinellus, Ibis peregrina, Plegadis autumnalis, Plegadis falcinellus falcinellus, Tantalus falcinellus

Catalogue of LifeWikipediaiNaturalistTAXREFWikidataWoRMSIUCN Red List

LC, Least Concern

White-faced ibis

Plegadis chihi

Threskiornithidae

LC, Least Concern

Puna ibis

Plegadis ridgwayi

Threskiornithidae

I

Ibis sacra

ThreskiornithidaeNo free photo yet

CompareGlossy ibis vs White-faced ibisGlossy ibis vs Puna ibisGlossy ibis vs Ibis sacra

• An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles · CC0 1.0 · E096-269
  Myhrvold, N.P., Baldridge, E., Chan, B., Sivam, D., Freeman, D.L. & Ernest, S.K.M. (2015) An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96: 3109. https://doi.org/10.1890/15-0846R.1. Data: https://doi.org/10.6084/m9.figshare.3563457.v1
• AVONET: morphological, ecological and geographical data for all birds · CC BY 4.0 · v7
  Tobias, J.A. et al. (2022) AVONET: morphological, ecological and geographical data for all birds. Ecology Letters 25: 581–597. https://doi.org/10.1111/ele.13898. Data: https://doi.org/10.6084/m9.figshare.16586228.v7
• Catalogue of Life eXtended Release · CC BY 4.0 · 2026-10-16 XR
  Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf
• Wikimedia Commons · per file (CC0 / public domain / CC BY green, CC BY-SA amber, anything else not displayed) · 2026-11-11
  Wikimedia Commons contributors. Wikimedia Commons. https://commons.wikimedia.org (each file credited to its author under its own licence).
• Wikidata · CC0 1.0 · 2026-11-11
  Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service).
• Wikipedia (English) · CC BY-SA 4.0 · 2026-11-11
  Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision).

@misc{glossy_ibis_2026,
  title = {Glossy ibis (Plegadis falcinellus)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/glossy-ibis},
  note = {Data as of 2026-11-11}
}