Green-billed coucal

The green-billed coucal (Centropus chlororhynchos) is a member of the cuckoos. It is endemic to Sri Lanka's wet zone and listed as Vulnerable on the IUCN Red List, as the small population declined due to forest destruction and fragmentation.[1] It inhabits the tall rainforests of southwest Sri Lanka and nests in bushes. Its typical clutch is 2–3 eggs.[2]

Green-billed coucal
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Cuculiformes
Family: Cuculidae
Genus: Centropus
Species:
C. chlororhynchos
Binomial name
Centropus chlororhynchos
Blyth, 1849
Synonyms

Centropus chlororhynchus

Description

It is a medium to large bird at 43 cm. Its head and body is purple-black, the wings are maroon above and black below, and the long tail is dark green. The bill is a distinctive light green. Sexes are similar, but juveniles are duller and streaked. It is somewhat smaller and less contrasted than the more widespread greater coucal. Despite its size and distinctive call, this is a difficult species to see because of the dense habitat in which it lives and its retiring nature. It feeds on a wide range of insects, caterpillars and small vertebrates, but snails are a favourite.

In culture

In Sri Lanka, this bird is known as bata atti-kukula – or, wal atti-kukula in the Sinhala language.[3] This bird appears in a 20 rupee Sri Lankan postal stamp.[4]

References
  1. BirdLife International (2016). "Centropus chlororhynchos". The IUCN Red List of Threatened Species. IUCN. 2016: e.T22684257A93021858. doi:10.2305/IUCN.UK.2016-3.RLTS.T22684257A93021858.en.
  2. Wijesinghe, M. (1999). "Nesting of Green-billed Coucals Centropus chlororhynchos in Sinharaja, Sri Lanka" (PDF). Forktail. 15: 43–45. Archived from the original (PDF) on 2008-08-28.
  3. Anonymous (1998). "Vernacular Names of the Birds of the Indian Subcontinent" (PDF). Buceros. 3 (1): 53–109. Archived from the original (PDF) on 1 April 2010.
  4. Bird stamps from Sri Lanka. birdtheme.org
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