Great spotted cuckoo

The great spotted cuckoo (Clamator glandarius) is a member of the cuckoo order of birds, the Cuculiformes, which also includes the roadrunners, the anis and the coucals. The genus name clamator is Latin for "shouter" from clamare, "to shout". The specific glandarius is derived from Latin glans, glandis, "acorn".[2]

Great spotted cuckoo

Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Cuculiformes
Family: Cuculidae
Genus: Clamator
Species:
C. glandarius
Binomial name
Clamator glandarius
Range of C. glandarius     Breeding      Resident      Non-breeding
Synonyms

Cuculus glandarius Linnaeus, 1758

It is widely spread throughout Africa and the Mediterranean Basin. It is a brood parasite that lays its eggs in the nests of corvids, in particular the Eurasian magpie.

Chicks
Eggs, Collection Museum Wiesbaden

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.[3] 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.[4][5]

Adults

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.

It is a bird of warm open country with trees. It feeds on insects, spiders, small reptiles and hairy caterpillars, which are distasteful to many birds.

The great spotted cuckoo's call is a loud cher-cher-kri-kri and variations.

References
  1. BirdLife International (2012). "Clamator glandarius". IUCN Red List of Threatened Species. 2012. Retrieved 26 November 2013.CS1 maint: ref=harv (link)
  2. Jobling, James A (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. pp. 110, 173. ISBN 978-1-4081-2501-4.
  3. Great Spotted Cuckoo proved to protect invaded nests. Lne.es (2014-03-21). Retrieved on 2014-05-06.
  4. Smelly cuckoos protect hosts' chicks from predators. Newscientist.com (2014-03-20). Retrieved on 2014-05-06.
  5. The Stinky Way Cuckoo Birds Earn Their Keep. Livescience.com (2014-03-20). Retrieved on 2014-05-06.

Further reading
  • Ibáñez-Álamo, J.D.; Rühmann, J.; Pérez-Contreras, T.; Soler, M. (2019). "Migration behavior and performance of the great spotted cuckoo (Clamator glandarius)". PLOS ONE. 14 (1). e0208436. doi:10.1371/journal.pone.0208436.
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