|Great spotted cuckoo|
|Range of C. glandarius|
Cuculus glandarius Linnaeus, 1758
In 1747 the English naturalist George Edwards included an illustration and a description of the great spotted cuckoo in the second volume of his A Natural History of Uncommon Birds. He used the English name "The Great Spotted Cuckow". Edwards based his hand-coloured etching on a specimen that had been shot in Gibraltar and sent to the English naturalist Mark Catesby in London. When in 1758 the Swedish naturalist Carl Linnaeus updated his Systema Naturae for the tenth edition, he placed the great spotted cuckoo with the other cuckoos in the genus Cuculus. Linnaeus included a brief description, coined the binomial name Cuculus glandarius and cited Edwards' work. The great spotted cuckoo is now placed in the genus Clamator that was introduced by German naturalist Johann Jakob Kaup in 1829. The species is monotypic: no subspecies are recognised. The genus name Clamator is Latin for "shouter" from clamare, "to shout". The specific epithet glandarius is Latin meaning "of acorns".
This species is slightly larger than the common cuckoo at 35–39 cm (14–15 in) in length, but looks much larger with its broad wings and long narrow tail. The adult is grey above with a slender body, long tail and strong legs. It has a grey cap, grey wings, a yellowish face and upper breast, and white underparts. Sexes are similar. The juveniles have blackish upperparts and cap, and chestnut primary wing feathers. This species has a magpie-like flight.
The great spotted cuckoo's call is a loud cher-cher-kri-kri and variations.
Unlike the common cuckoo, neither the hen nor the hatched chick of this species evict the host's eggs, but the young magpies often die because they cannot compete successfully with the cuckoo for food. However it has been shown that this species' chicks secrete a repellent scent when predators threaten. The repellent protects great spotted cuckoo chicks themselves as well as the host's chicks from predators. Carrion crow (Corvus corone corone) chicks survive better if a great spotted cuckoo chick shares their nest. Birds of prey and feral cats less frequently prey on crow's nests that include a great spotted cuckoo chick. Crow chicks benefit only when predators are very active; when there is less predation, losing food to great spotted cuckoo chicks harms the crow chicks without compensation.
- BirdLife International (2016). "Clamator glandarius". IUCN Red List of Threatened Species. 2016: e.T22683819A86113703. doi:10.2305/IUCN.UK.2016-3.RLTS.T22683819A86113703.en. Retrieved 12 November 2021.
- Edwards, George (1747). A Natural History of Uncommon Birds. Part II. London: Printed for the author at the College of Physicians. p. 57, Plate 57.
- Linnaeus, Carl (1758). Systema Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis (in Latin). Volume 1 (10th ed.). Holmiae (Stockholm): Laurentii Salvii. p. 111.
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- Kaup, Johann Jakob (1829). Skizzirte Entwickelungs-Geschichte und Naturliches System der Europaischen Thierwelt (in German). Darmstadt: In commission bei Carl Wilhelm Leske. p. 53.
- Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (July 2021). "Turacos, bustards, cuckoos, mesites, sandgrouse". IOC World Bird List Version 11.2. International Ornithologists' Union. Retrieved 7 October 2021.
- Jobling, James A. (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. p. 110, 173. ISBN 978-1-4081-2501-4.
- Great Spotted Cuckoo proved to protect invaded nests. Lne.es (2014-03-21). Retrieved on 2014-05-06.
- Smelly cuckoos protect hosts' chicks from predators. Newscientist.com (2014-03-20). Retrieved on 2014-05-06.
- The Stinky Way Cuckoo Birds Earn Their Keep. Livescience.com (2014-03-20). Retrieved on 2014-05-06.
|Wikimedia Commons has media related to Clamator glandarius.|
- Great spotted cuckoo - Species text in The Atlas of Southern African Birds.
- Oiseaux Photographs, text, map (in French)
- ADW: Clamator glandarius: Information
- Ageing and sexing (PDF; 1.7 MB) by Javier Blasco-Zumeta & Gerd-Michael Heinze
- IBC Nine videos.