Klaas's cuckoo
Chrysococcyx klaas (Stephens, 1815)
The klaas's cuckoo (Chrysococcyx klaas) is a species in the family Cuculidae, order Cuculiformes. Recorded adults weigh 25.6 g to 30.2 g. Its IUCN Red List status is Least Concern.

Quick facts about the klaas's cuckoo
- Weight
- 25.6 g – 30.2 gsrc for Weight
- Length
- Not recorded
- Lifespan
- Not recorded
- Diet
- Invertivoresrc for Diet
- Main food
- Not recorded
- Habitat
- shrublandsrc for Habitat
- Egg incubation
- 12 dayssrc for Egg incubation
- Young per litter or clutch
- 3.5src for Young per litter or clutch
- Lifestyle
- Perchingsrc for Lifestyle
- Migration
- Sedentarysrc for Migration
- Conservation status
- Least Concern (IUCN)src for Conservation status
- Countries on record
- Not recorded
Photos of the klaas's cuckoo
Only freely licensed photos are shown. Each carries its creator and licence.

Where does the klaas's cuckoo live?
Not recorded
What is the klaas's cuckoo?
Klaas's cuckoo (Chrysococcyx klaas) is a species of cuckoo in the family Cuculidae which is native to the wooded regions of sub-Saharan Africa. The specific name honours Klaas, the Khoikhoi man who collected the type specimen.
From the Wikipedia article “Klaas's cuckoo” (en.wikipedia.org/w/index.php?title=Klaas%27s_cuckoo&oldid=1381587797), 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.
What does the klaas's cuckoo sound like?
Is the klaas's cuckoo endangered?
The klaas's cuckoo 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 klaas's cuckoo classified?
- kingdomAnimalia
- phylumChordata
- classAves
- orderCuculiformes
- familyCuculidae
- genusChrysococcyx
- SpeciesChrysococcyx klaas (Stephens, 1815)
Synonyms Adamatornis klaasi, Chrysococcyx klaasi, Cuculus klaas, Cuculus klaasii
Other names and names in other languages (43)
- KLCUEnglish
- MeitjieAfrikaans
- وقواق كلاسArabic
- Клаасова смарагдена кукувицаBulgarian
- cucut maragda de KlaasCatalan
- kukačka KlaasovaCzech
- cog KlaasWelsh
- Hvidbuget SmaragdgøgDanish
- KlaaskuckuckGerman
- Klaas-KuckuckGerman
- verda kukoloEsperanto
- Cuclillo de KlaasSpanish
- väike-rohekäguEstonian
- malakiittikäkiFinnish
- Coucou de KlaasFrench
- Cuach chláisIrish
- קוקיה קלאסיתHebrew
- קוקייה אזמרגדיתHebrew
- zelena kukavicaCroatian
- Klaas-rézkakukkHungarian
- Cuculo di KlaasItalian
- Cuculo dorato di KlaasItalian
- シロハラミドリカッコウJapanese
- žalianugarė bronzinė gegutėLithuanian
- Klāsa dzeguzeLatvian
- Klaas' KoekoekDutch
- grønngjøkNorwegian
- kukułeczka białobrzuchaPolish
- cuco-de-klaasPortuguese
- Cuco-bronzeado-menorPortuguese
- cuco-bronzeado-pequenoPortuguese
- cuco-verde-brancoPortuguese
- Белобрюхая кукушкаRussian
- Бронзовая кукушка КлаасаRussian
- kukučka zeleno-bielaSlovak
- Klaasova kukavicaSerbian
- grönglansgökSwedish
- klaasglansgökSwedish
- Klaas guguğuTurkish
- Yeşil Beyaz GugukTurkish
- дідрик білочеревийUkrainian
- 白腹金鵑Chinese
- 白腹金鹃Chinese
Relatives of the klaas's cuckoo
Other species in the same genus Chrysococcyx.

Asian emerald cuckoo
Chrysococcyx maculatus

African emerald cuckoo
Chrysococcyx cupreus

Diederik cuckoo
Chrysococcyx caprius

Violet cuckoo
Chrysococcyx xanthorhynchus

Yellow-throated cuckoo
Chrysococcyx flavigularis
CompareKlaas's cuckoo vs Asian emerald cuckooKlaas's cuckoo vs African emerald cuckooKlaas's cuckoo vs Diederik cuckooKlaas's cuckoo vs Violet cuckoo
Common questions
Answered only where our data holds the answer.
How big is the klaas's cuckoo?
An adult klaas's cuckoo weighs 25.6 g – 30.2 g, according to values recorded on Wikidata.
Is the klaas's cuckoo endangered?
The klaas's cuckoo is listed as Least Concern on the IUCN Red List, meaning it is not currently at risk of extinction.
What kind of animal is the klaas's cuckoo?
The klaas's cuckoo (Chrysococcyx klaas) belongs to the family Cuculidae in the order Cuculiformes.
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). Klaas's cuckoo (Chrysococcyx klaas). Retrieved from https://creaturedata.com/animals/klaass-cuckoo
“Klaas's cuckoo (Chrysococcyx klaas).” CreatureData, 2026, https://creaturedata.com/animals/klaass-cuckoo.
@misc{klaass_cuckoo_2026,
title = {Klaas's cuckoo (Chrysococcyx klaas)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/klaass-cuckoo},
note = {Data as of 2026-11-11}
}