Thick-billed bronze cuckoo

Thick-billed bronze cuckoo
Systematics
Class :	Birds (aves)
Order :	Cuckoo birds (Cuculiformes)
Family :	Cuckoos (Cuculidae)
Genre :	Real gold cuckoos ( Chrysococcyx )
Type :	Thick-billed bronze cuckoo
Scientific name
	Chrysococcyx crassirostris
	( Salvadori , 1878)

The thick-billed bronze cuckoo ( Chrysococcyx crassirostris ) is a species of Wallacea cuckoo . The species includes the two subspecies C. c. crassirostris ( Salvadori 1878) and C. c. salvadorii ( Hartert and Stresemann 1925).

Systematics

The species is seen by some authors as a subspecies of the small bronze cuckoo , according to mtDNA analyzes the thick-billed bronze cuckoo is closely related to the small bronze cuckoo and the red-winged bronze cuckoo . On Babar there are hybrids of the thick-billed cuckoo and a subspecies of the small bronze cuckoo.

features

The thick-billed bronze cuckoo is a small cuckoo that grows to around 16 cm. The gender dimorphism is very pronounced. The male of the nominate form is shiny blue-green on top with a white area on the coverts. The flanks are lightly brown speckled , the chest is white. The head plumage of the female, on the other hand, is shiny brown, the wings shiny dark green. The flanks are speckled brown. The male of C. c. salvadorii is distinguished by a stronger green color on the upper side as well as a more pronounced sparrowing of the flanks and breast.

distribution

The thick-billed bronze cuckoo is endemic to the Moluccas . The nominate form C. c. crassirostris occurs on the Tanimbar Islands and the Kei Islands . The subspecies C. c. salvadorii only on Babar. There are no population size estimates, the species is not considered to be endangered.

Way of life

The thick-billed bronze cuckoo inhabits various habitats such as forests and forest edges, but also anthropogenically created habitats such as gardens . Mostly caterpillars are eaten. Like other Chrysococcyx species, it is a breeding parasite . The main host birds are individuals of the Gerygone dorsalis species .

literature

Johannes Erritzøe , Clive F. Mann, Frederik Brammer, Richard A. Fuller: Cuckoos of the World (Helm Identification Guides) . Christopher Helm Publishers Ltd, London 2012, ISBN 978-071-366-034-0 .

Individual evidence

↑ ^a ^b ^c ^d ^e Erritzoe et al. P. 377
^ Eugene M. McCarthy: Handbook of Avian Hybrids of the World . Oxford University Press, 2006. p. 121 ISBN 0-19-518323-1
↑ ^a ^b Chalcites crassirostris in the endangered Red List species the IUCN 2012. Posted by: BirdLife International, 2012. Accessed September 18, 2012 found.

Web links

BirdLife International: Species Factsheet - Pied Bronze-cuckoo ( Chalcites crassirostris ) . Retrieved November 11, 2012.
Videos, photos and sound recordings of Little Bronze cuckoo (Chrysococcyx minutillus) in the Internet Bird Collection

[Erritzoe-1] Erritzoe et al. P. 377

[2] Eugene M. McCarthy: Handbook of Avian Hybrids of the World . Oxford University Press, 2006. p. 121 ISBN 0-19-518323-1

[iucn-3] Chalcites crassirostris in the endangered Red List species the IUCN 2012. Posted by: BirdLife International, 2012. Accessed September 18, 2012 found.