Cocoi heron
Ardea cocoi Linnaeus, 1766
The cocoi heron (Ardea cocoi) is a species in the family Ardeidae, order Pelecaniformes. Recorded adults weigh 1.45 kg to 1.75 kg and live up to 24.4 years. Its IUCN Red List status is Least Concern.

Quick facts about the cocoi heron
- Weight
- 1.45 kg – 1.75 kgsrc for Weight
- Length
- Not recorded
- Lifespan
- 24.4 yearssrc for Lifespan
- Diet
- Aquatic predatorsrc for Diet
- Main food
- Not recorded
- Habitat
- wetlandsrc for Habitat
- Egg incubation
- 25 dayssrc for Egg incubation
- Young per litter or clutch
- 2.8 – 3src for Young per litter or clutch
- Lifestyle
- Terrestrialsrc for Lifestyle
- Migration
- Sedentarysrc for Migration
- Conservation status
- Least Concern (IUCN)src for Conservation status
- Countries on record
- Not recorded
Photos of the cocoi heron
Only freely licensed photos are shown. Each carries its creator and licence.

Where does the cocoi heron live?
Not recorded
What is the cocoi heron?
The cocoi heron (Ardea cocoi) is a species of long-legged wading bird in the heron family Ardeidae found across South America. It has predominantly pale grey plumage with a darker grey crest. A carnivore, it hunts fish and crustaceans in shallow water.
From the Wikipedia article “Cocoi heron” (en.wikipedia.org/w/index.php?title=Cocoi_heron&oldid=1381475201), by Wikipedia contributors, licensed under CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0). This block is kept separate from our own text.
Is the cocoi heron endangered?
The cocoi heron is listed as Least Concern on the IUCN Red List: it is not currently at risk of extinction.
- LCLeast Concern
- NTNear Threatened
- VUVulnerable
- ENEndangered
- CRCritically Endangered
- EWExtinct in the Wild
- EXExtinct
Category via Wikidata (CC0). Find the full assessment on the IUCN Red List. See all Least Concern species. What the categories mean.
How is the cocoi heron classified?
- kingdomAnimalia
- phylumChordata
- classAves
- orderPelecaniformes
- familyArdeidae
- genusArdea
- SpeciesArdea cocoi Linnaeus, 1766
Synonyms Ardea cocoi cocoi
Other names and names in other languages (40)
- American white-necked heronEnglish
- South American white-necked heronEnglish
- بلشون أعرجArabic
- بلشون أمريكا الجنوبية أبيض العنقArabic
- Южноамериканска чаплаBulgarian
- bernat cocoiCatalan
- volavka jihoamerickáCzech
- crëyr gyddfwynWelsh
- CocoihejreDanish
- CocoireiherGerman
- Cocoi-ReiherGerman
- sudamerika ardeoEsperanto
- Garza cucaSpanish
- Garza moraSpanish
- Garzón azulSpanish
- koko-hallhaigurEstonian
- eteläamerikanhaikaraFinnish
- Héron cocoiFrench
- Hoko guasuGuarani
- crnokapa čapljaCroatian
- kókuszgémHungarian
- Airone cocoiItalian
- ナンベイアオサギJapanese
- エリジロサギJapanese
- Pietų Amerikos garnysLithuanian
- SokoireigerDutch
- Zuidamerikaanse blauwe reigerDutch
- cocoihegreNorwegian
- czapla czarnobrzuchaPolish
- garça-cocoiPortuguese
- garça-mouraPortuguese
- Южноамериканская цапляRussian
- volavka kokoiSlovak
- modrolica čapljaSlovenian
- Kokoi čapljaSerbian
- cocoihägerSwedish
- Maskeli Gri BalıkçılTurkish
- кокоїUkrainian
- 黑冠白頸鷺Chinese
- 黑冠白颈鹭Chinese
Catalogue of LifeWikipediaiNaturalistTAXREFWikidataWoRMSIUCN Red List
Relatives of the cocoi heron
Other species in the same genus Ardea.

Grey heron
Ardea cinerea

Great egret
Ardea alba

Western cattle egret
Ardea ibis

Purple heron
Ardea purpurea

Goliath heron
Ardea goliath

Great blue heron
Ardea herodias
CompareCocoi heron vs Grey heronCocoi heron vs Great egretCocoi heron vs Western cattle egretCocoi heron vs Purple heron
Common questions
Answered only where our data holds the answer.
How big is the cocoi heron?
An adult cocoi heron weighs 1.45 kg – 1.75 kg, according to values recorded on Wikidata.
Is the cocoi heron endangered?
The cocoi heron is listed as Least Concern on the IUCN Red List, meaning it is not currently at risk of extinction.
How long does the cocoi heron live?
The cocoi heron has a recorded lifespan of 24.4 years.
What kind of animal is the cocoi heron?
The cocoi heron (Ardea cocoi) belongs to the family Ardeidae in the order Pelecaniformes.
Sources and how to cite this page
Data as of 2026-11-11. How this page is put together.
- 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).
Embed a card for this animal on your own site
Copy this code. The card shows the photo with its credit, key facts and a link back to this page.
CreatureData. (2026). Cocoi heron (Ardea cocoi). Retrieved from https://creaturedata.com/animals/cocoi-heron
“Cocoi heron (Ardea cocoi).” CreatureData, 2026, https://creaturedata.com/animals/cocoi-heron.
@misc{cocoi_heron_2026,
title = {Cocoi heron (Ardea cocoi)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/cocoi-heron},
note = {Data as of 2026-11-11}
}