Common hawk-cuckoo

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Common hawk-cuckoo
Cuculus varius India.jpg
Sub-adult
Call
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Cuculiformes
Family: Cuculidae
Genus: Hierococcyx
Species:
H. varius
Binomial name
Hierococcyx varius
(Vahl, 1797)
Synonyms

Cuculus varius
Cuculus ejulansSundevall, 1837 [2]

Common Hawk Cuckoo, from Dhaka, Bangladesh Common Hawk Cuckoo, from Dhaka, Bangladesh.jpg
Common Hawk Cuckoo, from Dhaka, Bangladesh

The common hawk-cuckoo (Hierococcyx varius), popularly known as the brainfever bird, is a medium-sized cuckoo resident in the Indian subcontinent. It bears a close resemblance to the Shikra, even in its style of flying and landing on a perch. The resemblance to hawks gives this group the generic name of hawk-cuckoo and like many other cuckoos these are brood parasites, laying their eggs in nests of babblers. During their breeding season in summer males produce loud, repetitive three note calls that are well-rendered as brain-fever, the second note being longer and higher pitched. These notes rise to a crescendo before ending abruptly and repeat after a few minutes; the calling may go on through the day, well after dusk and before dawn.

Contents

Description

Common Hawk Cuckoo (Hierococcyx varius) at Narendrapur W IMG 4111.jpg
Shikra (Female) at Hodal I IMG 9156.jpg
The hawk-cuckoo has evolved as a visual mimic [3] of the shikra (right)

The common hawk-cuckoo is a medium- to large-sized cuckoo, about the size of a pigeon (ca. 34 cm). The plumage is ashy grey above; whitish below, cross-barred with brown. The tail is broadly barred. The sexes are alike. They have a distinctive yellow eye ring. Subadults have the breast streaked, similar to the immature shikra, and there are large brown chevron marks on the belly. [4] At first glance they can be mistaken for a hawk. When flying they use a flap and glide style that resembles that of sparrowhawks (especially the shikra) and flying upwards and landing on a perch they shake their tails from side to side. Many small birds and squirrels raise the alarm just as they would in the presence of a hawk. The sexes are alike, but males tend to be larger. [5]

They can be confused with the large hawk-cuckoo, which, however, has dark streaks on the throat and breast. Young birds have a pale chin, but young large hawk-cuckoos have a black chin. [6]

Immature with orange bill and indistinct eye-ring (Kolkata) Common Hawk Cuckoo I2 IMG 0801.jpg
Immature with orange bill and indistinct eye-ring (Kolkata)

During summer months, before the monsoons, the males are easily detected by their repeated calls but can be difficult to spot. The call is a loud screaming three-note call, repeated 5 or 6 times, rising in crescendo and ending abruptly. It is heard throughout the day and frequently during moonlit nights. [7] The calls of females are a series of grating notes. [5] Common hawk-cuckoos feed mainly on insects and are specialised feeders that can handle hairy caterpillars. Caterpillar guts often contain toxins and like many cuckoos they remove the guts by pressing the caterpillar and rubbing it on a branch before swallowing it. The hairs are swallowed with the caterpillar and are separated in the stomach and regurgitated as a pellet. [6]

Taxonomy and systematics

The type locality of the species is Tranquebar in Tamil Nadu, once a Danish settlement and from where a specimen reached Martin Hendriksen Vahl who described the species in 1797. [8] This species is placed under the genus Hierococcyx, which includes other hawk-cuckoos, but is sometimes included in the genus Cuculus. [4] There are two subspecies, the nominate from India and ciceliae of the hill regions of Sri Lanka. [9] The Indian population has paler plumage than ciceliae. [4]

Distribution

The common hawk-cuckoo occurs in most of the Indian subcontinent, from Pakistan in the west, across the Himalayas foothills, east to Nepal, Bhutan, Bangladesh and North East India [10] and south into Sri Lanka. Some birds of the Indian population winter in Sri Lanka. In the hills of central Sri Lanka, ciceliae is a resident. It is generally resident but in high altitudes and in arid areas is locally migratory. It is found in the lower elevations (mostly below 1000m) of the Himalayas but in the higher areas, the large hawk-cuckoo tends to be more common. [5]

The species is arboreal and rarely descends to the ground. Its habitat includes garden land, groves of tree, deciduous and semi-evergreen forests. [5]

Behaviour and ecology

Feeding on a hairy caterpillar Common Hawk Cuckoo I IMG 7711.jpg
Feeding on a hairy caterpillar

Like many other cuckoos, this species is a brood parasite, preferring babblers mainly in the genus Turdoides (possibly the only host [4] ) and also reportedly on laughing-thrushes of the genus Garrulax. [11]

Its breeding season is March to June, coinciding with that of some of the Turdoides babblers. A single egg is laid in each nest, blue, like that of the host. The hatchling usually evicts the eggs of its host and is reared to maturity by foster parents, following them for nearly a month. [6] T C Jerdon noted that it may not always evict the host and that young birds may be seen along with young babblers. [12] When moving with a flock of babblers the chick makes a grating kee-kee call to beg for food and the foster parents within the group may feed it. [5] The predominant host species in India are Turdoides striatus and Turdoides affinis . [13] Hawk-cuckoos also parasitise the large grey babbler Turdoides malcolmi . [7] [14] In Sri Lanka, their host is Turdoides striatus . [15]

Parasitic eye-worms in the genus Oxyspirura have been found in the orbital cavity of the species. [16]

In culture

The call of this bird has been popularly transcribed as brain-fever in English (in some old books, this name is also incorrectly used for the Asian koel). Frank Finn noted that [H]is note, however, fully entitles him to his ordinary designation, whether from its "damnable iteration" or from its remarkable resemblance to the word "brain-fever" repeated in a piercing voice running up the scale. [17] Other interpretations of the bird call include piyaan kahan in Hindi ("where's my love") or chokh gelo (in Bengali, "my eyes are gone") and paos ala (Marathi, "the rains are coming"). In Bodo, the call sounds like "haab fisha houwa", which means dear son (where are you).

The call "Pee kahan" or "Papeeha" is more accurately represented by the shrill screaming "pi-peeah" of the large hawk-cuckoo Hierococcyx sparverioides , which replaces the brainfever bird along the Himalayas and its foothills. [6]

The brainfever bird's call may be heard all through the day, starting early before dawn and frequently during moonlit nights. [7] A novel by the Indian author Allan Sealy is named after this bird. [18]

Related Research Articles

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<span class="mw-page-title-main">Shikra</span> Species of bird

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<span class="mw-page-title-main">Asian koel</span> Species of bird

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<span class="mw-page-title-main">Jungle babbler</span> Species of bird

The jungle babbler is a member of the family Leiothrichidae found in the Indian subcontinent. Jungle babblers are gregarious birds that forage in small groups of six to ten birds, a habit that has given them the popular name of "Seven Sisters" in urban Northern India, and in Bengali, with cognates in other regional languages which also mean "seven brothers".

<span class="mw-page-title-main">Yellow-billed babbler</span> Species of brown-grey bird from southern India and Sri Lanka

The yellow-billed babbler is a member of the family Leiothrichidae endemic to southern India and Sri Lanka. The yellow-billed babbler is a common resident breeding bird in Sri Lanka and southern India. Its habitat is scrub, cultivation and garden land. This species, like most babblers, is not migratory, and has short rounded wings and a weak flight and is usually seen calling and foraging in groups. It is often mistaken for the jungle babbler, whose range overlaps in parts of southern India, although it has a distinctive call and tends to be found in more vegetated habitats. Its name is also confused with Turdoides leucocephala, which is also known as white-headed babbler.

<span class="mw-page-title-main">Black drongo</span> Species of bird

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<span class="mw-page-title-main">Indian cuckoo</span> Species of bird

The Indian cuckoo is a member of the cuckoo order of birds, the Cuculiformes, that is found in the Indian subcontinent and Southeast Asia. It ranges from India, Bangladesh, Bhutan, Nepal and Sri Lanka east to Indonesia and north to China and Russia. It is a solitary and shy bird, found in forests and open woodland at up to 3,600 m (11,800 ft).

<span class="mw-page-title-main">Yellow-eyed babbler</span> Species of bird

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<span class="mw-page-title-main">Banded bay cuckoo</span> Species of bird

The banded bay cuckoo or bay-banded cuckoo is a species of small cuckoo found in the Indian subcontinent and Southeast Asia. Like others in the genus they have round nostrils. 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.

<span class="mw-page-title-main">Large grey babbler</span> Species of bird

The large gray babbler is a member of the family Leiothrichidae found across India and far western Nepal. They are locally common in the scrub, open forest and gardenland. They are usually seen in small groups and are easily distinguished from other babblers in the region by their nasal call and the whitish outer feathers to their long tail. It is one of the largest babblers in the region.

<i>Cuculus</i> Genus of birds

Cuculus is a genus of cuckoos which has representatives in most of the Old World, although the greatest diversity is in tropical southern and southeastern Asia.

<span class="mw-page-title-main">Large hawk-cuckoo</span> Species of bird

The large hawk-cuckoo is a species of cuckoo in the family Cuculidae. It has a wide breeding distribution from temperate Asia along the Himalayas extending to East Asia. Many populations winter further south. They are known for their loud and repetitive calls which are similar to that of the common hawk-cuckoo but do not rise in crescendo. They are also somewhat larger and adults can be readily told apart from the smaller common hawk-cuckoo by the black patch on the chin. They are brood-parasites of babblers and laughing-thrushes.

<i>Hierococcyx</i> Genus of birds

Hierococcyx or hawk-cuckoos is a genus of birds in the family Cuculidae. They are distributed in South, Southeast, and East Asia. The resemblance to hawks gives this group the generic name of hawk-cuckoos.

Himmatsinhji M. K. was a noted ornithologist, politician and scion of the erstwhile Jadeja ruling family of Kutch, who was member of 3rd Lok Sabha from Kutch.

References

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  2. Gyldenstolpe, N (1926). "Types of birds in the Royal Natural History Museum in Stockholm" (PDF). Arkiv för Zoologi. 19A: 1–116.
  3. Davies, N.B.; Welbergen, J.A. (2008). "Cuckoo–hawk mimicry? An experimental test" (PDF). Proceedings of the Royal Society B: Biological Sciences. 275 (1644): 1817–1822. doi:10.1098/rspb.2008.0331. PMC   2587796 . PMID   18467298. Archived from the original (PDF) on 2011-06-03.
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  7. 1 2 3 Ali, Salim; J C Daniel (2002). The book of Indian Birds, Thirteenth Centenary edition. Bombay Natural History Society/Oxford University Press. ISBN   0-19-566523-6.
  8. Vahl, MH (1797). Skrivter af Naturhistorie-Selskabet, Kjøbenhavn, 4, Heft 1. p. 60.
  9. Phillips, WWA (1949). "A new race of the Common Hawk Cuckoo from Ceylon". Bulletin of the British Ornithologists' Club. 69 (6): 56–57.
  10. "BirdLife International (2022) Species factsheet:Hierococcyx varius". datazone.birdlife.org. Retrieved 2022-05-11.
  11. Gaston, AJ; Zacharias VJ (2000). "Hosts of the Common Hawk Cuckoo" (PDF). Forktail. 16: 182. Archived from the original (PDF) on 2008-08-28. Retrieved 2009-05-31.
  12. Jerdon, TC (1862). The birds of India. Volume 1. Military Orphan Press. p. 330.
  13. Prasad G; Nameer PO; MV Reshmi (2001). "Brood parasitism by Indian Hawk-Cuckoo (Hierococcyx varius Vahl)" (PDF). Zoos' Print Journal. 16 (8): 554–556. doi: 10.11609/jott.zpj.16.8.554-6 . Archived from the original (PDF) on 2011-09-29. Retrieved 2009-06-03.
  14. Blanford, WT (1895). The Fauna of British India, Including Ceylon and Burma. Birds Volume 3. Taylor and Francis, London. pp. 213–214.
  15. Lushington, Cicely (1949). "Change in habits of the Ceylon Hawk-Cuckoo (Hierococcyx varius ciceliae Phillips)". Journal of the Bombay Natural History Society. 48 (3): 582–584.
  16. Sultana, Ameer (1964). "Some new eye-worms from birds in India". Parasitology Research. 23 (6): 532–547. doi:10.1007/BF00259692. PMID   14134900. S2CID   9569721.
  17. Finn, Frank (1904). The birds of Calcutta. Thacker, Spink & Co.
  18. Sealy, I Allan (2003). The Brainfever Bird. Picador. ISBN   0-330-41205-1.

Other sources