Overview

Distribution

Range

Intra-African migrant Africa south of the Sahara and s Arabia.

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Ecology

Habitat

Habitat and Ecology

Systems
  • Terrestrial
  • Freshwater
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2012

Assessor/s
BirdLife International

Reviewer/s
Butchart, S. & Symes, A.

Contributor/s

Justification
This species has an extremely large range, and hence does not approach the thresholds for Vulnerable under the range size criterion (Extent of Occurrence <20,000 km2 combined with a declining or fluctuating range size, habitat extent/quality, or population size and a small number of locations or severe fragmentation). The population trend appears to be stable, and hence the species does not approach the thresholds for Vulnerable under the population trend criterion (>30% decline over ten years or three generations). The population size has not been quantified, but it is not believed to approach the thresholds for Vulnerable under the population size criterion (<10,000 mature individuals with a continuing decline estimated to be >10% in ten years or three generations, or with a specified population structure). For these reasons the species is evaluated as Least Concern.
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Population

Population
The global population size has not been quantified, but the species is reported to be generally common throughout much of its range (del Hoyo et al. 1997).

Population Trend
Stable
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Wikipedia

Diederik cuckoo

The diederik cuckoo[2] (Chrysococcyx caprius), formerly dideric cuckoo or didric cuckoo, and sometimes called Diederik's cuckoo, is a member of the cuckoo order of birds, the Cuculiformes, which also includes the roadrunners, the anis, and the hoatzin.

Description[edit]

At Lake Mburo, Uganda

The diederik cuckoo is a smallish cuckoo at 18 to 20 cm. Adult males are glossy green above with copper-sheened areas on the back and whitish underparts. They have a broken white eye-stripe and a short, green malar stripe. All remiges have three to four white spots on the inner vanes. The four green outer tail feathers are tipped white, and the outermost pair are spotted white on both vanes.

Females show more copper above, and have coppery barring on the flanks. The underparts are often washed brownish.

Juveniles have a red bill, streaky throat and a white wing-bar. They are more copper-coloured above and browner below than the females, and the flank markings are brown blotches.

Behaviour[edit]

Breeding[edit]

The diederik cuckoo is a brood parasite. It lays a single egg mostly in the nests of weavers, especially the village weaver and the bishops in the genus Euplectes. For example, it has been recorded in red-collared widowbirds.

Feeding[edit]

The diederik cuckoo takes a variety of insects and caterpillars. It is a noisy species, with the persistent and loud deed-deed-deed-deed-er-ick call from which it gets its name. Usually four clear, roughly identical, notes followed by a little twitter.

Distribution and habitat[edit]

It is a common resident breeder in sub-Saharan Africa which has been recorded as far north as Cyprus (1982). It is a short-distance seasonal migrant, moving with the rains. It is a solitary bird, found in open woodland, savanna and riverside bushes.

Etymology[edit]

The genus name Chrysococcyx is Greek for gold cuckoo (χρυσός, κούκος)[3] The specific name caprius is thought to be a misprint for either cuprea (coppery) or capensis (of Cape of Good Hope).[3] The English name is an onomatopoeic rendition of its call.

References[edit]

  1. ^ BirdLife International (2012). "Chrysococcyx caprius". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 26 November 2013. 
  2. ^ "ENGLISH NAME UPDATES – IOC Version 2.9". IOC World Bird List. July 10, 2011. Archived from the original on 3 March 2012. 
  3. ^ a b Jobling, James A (1991). A Dictionary of Scientific Bird Names. OUP. ISBN 0 19 854634 3. 
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