Banded bay cuckoo

The banded bay cuckoo or bay-banded cuckoo (Cacomantis sonneratii) is a species of small cuckoo found in the Indian subcontinent and Southeast Asia. Like others in the genus they have a round nostril. They are usually founded in well wooded areas mainly in the lower hills. Males sing from exposed branches during the breeding season, which can vary with region. They are distinctive both in their calls as well as plumage with a white eyebrowed appearance and the rufous upperparts with regular dark bands and the whitish underside with fine striations.

Banded bay cuckoo
C. s. sonneratii from kerala, India

Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Cuculiformes
Family: Cuculidae
Genus: Cacomantis
Species:
C. sonneratii
Binomial name
Cacomantis sonneratii
(Latham, 1790)
Global range     Year-Round Range     Summer Range     Winter Range
Synonyms

Penthoceryx sonneratii

Description
Head pattern

The adults are bright rufous or bay on the head and back and are broadly barred with dark brown. The bill is long and slightly curved. A whitish supercilium is distinctive above a dark eye-line. The wing is darker and tail is graduated with a dark brown centre. The tail has a subterminal black band and white tips to the feathers. The sexes are alike. The iris is yellow and the bill is black while the base of the lower mandible is greenish grey. The tarsi are grey.[2] The juvenile is similar but has a pale lower mandible and white fringes to the feathers of the upper body.[3][4][5]

The overall length is about 22 cm making it about the same size as the syntopic Cacomantis merulinus and Cacomantis variolosus. The hepatic forms of those can be similar but supercilium, long beak and barred tail distinguish this species.[3]

Taxonomy and systematics

The species was originally classed in the genus Cuculus by John Latham. The type specimen came from Northeastern India.[6][7] The species epithet is after the French naturalist and explorer Pierre Sonnerat.[8]

Four subspecies are generally recognized:

  • the nominate form from India, Nepal, Thailand, Malay Peninsula
  • C. s. musicus Ljungh, 1804 (from Java, Bali)
  • C. s. fasciolatus Müller, 1843 (Sumatra)
  • C. s. waiti Baker, 1919 (Sri Lanka)[9]

Some sources also recognize malayanus (Chasen & Kloss, 1931) from Peninsular Malaysia and schlegeli (Junge, 1948) from Sumatra, Borneo and Palawan (SW Philippines).

Ecology and behaviour

Like many other cuckoos, they are brood-parasitic and hosts recorded include the common iora,[10] red-whiskered bulbul, white-bellied erpornis, scarlet minivet, bulbuls and small babblers (Stachyris spp.). The eggs resemble those of the hosts.[11][12] The incubation and nesting are not well documented. Fledglings of the host are evicted.[2]

Populations are often migratory or partially migratory. In India, they are found mainly during the monsoons.[2][13]

They are found in well-wooded forests, mainly in hill areas. Insects are their primary diet. They capture insects by gleaning as well as by aerial sallying.[2]

The breeding season varies widely from region to region. Near Bombay they are known to lay eggs from February to August, Assam from April to August while they seem to sing through much of the year in the Eastern Ghats. In Sri Lanka, young have been seen in June and October while adults sing from January to May in the Malay Peninsula.[2][14]

The call of this species is distinctive. It is high-pitched four note whistle that has been transcribed as "wee-ti wee-tee" or "smoke-yer-pepper".[14] The frequency starts at 2.4 kHz and each note falls in pitch with the strophe lasting a second.[3]

gollark: This is FURTHER evidence that I made Macron.
gollark: I tried with a prompt:> My opinion on apioforms is ~~not real~~<|endoftext|>I think bees have been mostly created.<|endoftext|>Who doesn't save their money? Just buy bees?<|endoftext|>The apioformic database is actually NOT to be tolerated.<|endoftext|>I'll make macron and macron on bees.<|endoftext|>I think this is a separate token for some reason. I'll have to make macron and macron on osmarks.tk.<|endoftext|>I can't really, I don't really like this.<|endoftext|>I'll make macron and then make macron and macron.<|endoftext|>Anyway, I think I should probably make an apioformic database somehow.<|endoftext|>Nim is for wimps.<|endoftext|>I can't tell, however LyricLy is on my phone.<|endoftext|>I don't like this thus no.<|endoftext|><@!2930660666066606666606688> are inescapable cryoapiaristic beeoids.<
gollark: Anyway, I don't have the compute available to do this sort of thing *regularly*.
gollark: That's probably too slow.
gollark: (newlines are because I am copypasting it out of a terminal)

References
  1. BirdLife International (2012). "Cacomantis sonneratii". IUCN Red List of Threatened Species. 2012. Retrieved 26 November 2013.CS1 maint: ref=harv (link)
  2. Payne, Robert B. (2005). The cuckoos. Oxford University Press. pp. 430–433. ISBN 0-19-850213-3.
  3. Rasmussen, PC & JC Anderton (2005). Birds of South Asia: The Ripley Guide. 2. Smithsonian Institution & Lynx Edicions. p. 227.
  4. Blanford WT (1895). The Fauna of British India, Including Ceylon and Burma. Birds. 3. Taylor and Francis, London. pp. 219–220.
  5. Baker, ECS (1927). The Fauna of British India, Including Ceylon and Burma. Birds. 4 (2nd ed.). Taylor and Francis, London. pp. 157–160.
  6. Latham, John (1790). Index Ornithologicus, Sive Systema Ornithologiae: Complectens Avium Divisionem In Classes, Ordines, Genera, Species, Ipsarumque Varietates (in Latin). Volume 1. London: Leigh & Sotheby. p. 215.
  7. Peters, James Lee, ed. (1940). Check-list of Birds of the World. Volume 4. Cambridge, Massachusetts: Harvard University Press. p. 22. (India, North Cachar Hills)
  8. Jobling, James A. (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. p. 359. ISBN 978-1-4081-2501-4.
  9. Baker, ECS (1919). "[Notes on the species Penthoceryx sonnerati and description of a new subspecies (P.s. waiti) from Ceylon". Bull. Brit. Orn. Club. 39: 45–47.
  10. Neelakantan, KK (1969). "The Baybanded Cuckoo in North Kerala". Newsletter for Birdwatchers. 9 (12): 3.
  11. Harrison, CJO (1969). "The identification of the eggs of the smaller Indian Cuckoos". J. Bombay Nat. Hist. Soc. 66 (3): 478–488.
  12. Abdulali, Humayun (1943). "The eggs of the Indian Bay-Banded Cuckoo (Penthoceryx sonneratii)". J. Bombay Nat. Hist. Soc. 44 (1): 122.
  13. Nair, KN (1969). "Bay Banded Cuckoo". Newsletter for Birdwatchers. 9 (10): 7.
  14. Ali, S & S D Ripley (1981). Handbook of the birds of India and Pakistan. 3 (2nd ed.). Oxford University Press. pp. 215–217.
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