Biology:Red-whiskered bulbul

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Short description: Species of bird

Red-whiskered bulbul
Red-whiskered bulbul (Pycnonotus jocosus) Reunion.jpg
In Réunion
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Pycnonotidae
Genus: Pycnonotus
Species:
P. jocosus
Binomial name
Pycnonotus jocosus
Synonyms
  • Lanius jocosus Linnaeus, 1758
exchanging food; in Mauritius

The red-whiskered bulbul (Pycnonotus jocosus), or crested bulbul, is a passerine bird native to Asia. It is a member of the bulbul family. It is a resident frugivore found mainly in tropical Asia. It has been introduced in many tropical areas of the world where populations have established themselves. It has a loud three or four note call, feeds on fruits and small insects and perches conspicuously on trees. It is common in hill forests and urban gardens.

Taxonomy

The red-whiskered bulbul was formally described by the Swedish naturalist Carl Linnaeus in 1758 in the tenth edition of his Systema Naturae under the binomial name Lanius jocosus.[2] The specific epithet is from Latin ioculus meaning "merry" (from iocus meaning "joke").[3] Linnaeus based his description on the Sitta Chinensis that had been described in 1757 by the Swedish naturalist Pehr Osbeck.[4][5] Linnaeus specified the location as "China" but this was restricted to Hong Kong and Guangdong by Herbert Girton Deignan in 1948.[6][7] The red-whiskered bulbul is now placed in the genus Pycnonotus that was introduced by the German zoologist Friedrich Boie in 1826.[8][9]

Hybrids have been noted in captivity with the red-vented, white-eared, white-spectacled, black-capped and Himalayan bulbuls.[10] Leucism has also been recorded.[11]

Subspecies

Nine subspecies are recognized:[9]

  • P. j. fuscicaudatus - (Gould, 1866): Originally described as a separate species. Found in western and central India. Has a nearly complete breast band and no white tip to tail.
  • P. j. abuensis - (Whistler, 1931): Found in north-western India (type locality Mount Abu[12]) Is pale and has a broken breast band and no white tip to tail.
  • P. j. pyrrhotis - (Bonaparte, 1850): Originally described as a separate species in the genus Ixos. Found in the Terai of northern India and Nepal. It is pale above with white tail tips and a widely separated breast band
  • P. j. emeria - (Linnaeus, 1758): Originally described as a separate species in the genus Motacilla.[13] Found from eastern India to south-western Thailand. Is warm brown above with a slim bill and a long crest (also introduced into Florida[14])
  • P. j. whistleri - Deignan, 1948: Found in the Andaman Islands and has a warm brown plumage above, a heavier bill and a shorter crest than P. j. emeria
  • P. j. monticola - (Horsfield, 1840): Originally described as a separate species in the genus Ixos. Found from eastern Himalayas to northern Myanmar and southern China and has darker upperparts than P. j. pyrrhotis
  • P. j. jocosus - (Linnaeus, 1758): Found in south-eastern China
  • P. j. hainanensis - (Hachisuka, 1939): Found on Hainan Island (off south-eastern China)
  • P. j. pattani - Deignan, 1948: Found from southern Myanmar and northern Malay Peninsula through Thailand, southern Indochina and even in java and Sumatra

  • P. j. fuscicaudatus, carrying nest material, Western India

  • Immature P. j. emeria from eastern India

  • P. j. pyrrhotis, Nepal

Description

The red-whiskered bulbul is about 20 centimetres (7.9 in) in length. It has brown upper-parts and whitish underparts with buff flanks and a dark spur running onto the breast at shoulder level. It has a tall pointed black crest, red face patch and thin black moustachial line. The tail is long and brown with white terminal feather tips, but the vent area is red. Juveniles lack the red patch behind the eye, and the vent area is rufous-orange.

The loud and evocative call is a sharp kink-a-joo (also transcribed as pettigrew or kick-pettigrew or pleased to meet you[15]) and the song is a scolding chatter. They are more often heard than seen, but will often perch conspicuously especially in the mornings when they call from the tops of trees. The life span is about 11 years.[16]

Distribution and habitat

This is a bird of lightly wooded areas, more open country with bushes and shrubs, and farmland. Irruptions have been noted from early times with Thomas C. Jerdon noting that they were "periodically visiting Madras and other wooded towns in large flocks."[17]

It has established itself in Australia and in Los Angeles , Hawaii,[18] and Florida[19] in the United States, as well as in Mauritius, on Assumption Island[20] and Mascarene Islands.[21][22] In Florida, it is only found in a small area, and its population could be extirpated easily.[23] It was eradicated from Assumption Island in 2013–2015 to prevent colonisation of nearby Aldabra, the largest introduced bird-free tropical island.[24]

The red-whiskered bulbul was introduced by the Zoological and Acclimatization Society in 1880 to Sydney, became well established across the suburbs by 1920, and continued to spread slowly to around 100 km away. It is now also found in suburban Melbourne and Adelaide, although it is unclear how they got there.[25]

Behaviour and ecology

Red-whiskered bulbul at nest

On the island of Réunion, this species established itself and also aided the spread of alien plant species such as Rubus alceifolius. In Florida they feed on fruits and berries of as many as 24 exotic plants including loquat (Eriobotrya japonica), Lantana spp., Brazilian pepper (Schinus terebinthifolius) and figs (Ficus).[26] In Mauritius they aid the dispersal of Ligustrum robustum and Clidemia hirta. Seeds that pass through their gut germinate better.[27] Populations of the red-whiskered bulbul on the island of Réunion have diversified in the course of thirty years and show visible variations in bill morphology according to the food resources that they have adapted to utilize.[28]

Breeding

With chicks in nest
Eggs in the nest of a Red-whiskered bulbul

The breeding season is spread out and peaks from December to May in southern India and March to October in northern India.[29] Breeding may occur once or twice a year.[30] The courtship display of the male involves head bowing, spreading the tail and drooping wings.[30] The nest is cup-shaped, and is built on bushes, thatched walls or small trees. It is woven of fine twigs, roots, and grasses, and embellished with large objects such as bark strips, paper, or plastic bags.[23] Clutches typically contain two or three eggs.[30] Adults (possibly the female[15]) may feign injury to distract potential predators away from the nest.[30][31] The eggs have a pale mauve ground colour with speckles becoming blotches towards the broad end. Eggs measure 21 mm and are 16 mm wide.[32] Eggs take 12 days to hatch. Both parents take part in raising the young. Young birds are fed on caterpillars and insects which are replaced by fruits and berries as they mature.[15] The chicks are psilopaedic (having down only in the pterylae).[14] Eggs and chicks may be preyed on by the greater coucal and crows.[15]

They defend territories of about 3,000 square metres (32,000 sq ft) during the breeding season.[33] They roost communally in loose groups of a hundred or more birds.[34][35]

Food and feeding

The red-whiskered bulbul feeds on fruits (including those of the yellow oleander that are toxic to mammals), nectar and insects.[36]

Health

Several avian malaria parasites have been described from the species.[37] Plasmodium jiangi was first discovered by He and Huang (1993) in this host, in southeast China.[38]

In culture

This species was once a popular cage bird in parts of India. C. W. Smith noted[39] that

These birds are in great request among the natives, being of a fearless disposition, and easily reclaimed. They are taught to sit on the hand, and numbers may thus be seen in any Indian bazaar.

The species continues to be a popular cagebird in parts of Southeast Asia.[21]

References

  1. ↑ BirdLife International (2017). "Pycnonotus jocosus". IUCN Red List of Threatened Species 2017: e.T22712634A119273079. doi:10.2305/IUCN.UK.2017-3.RLTS.T22712634A119273079.en. https://www.iucnredlist.org/species/22712634/119273079. Retrieved 20 November 2021. 
  2. ↑ Linnaeus, Carl (1758) (in Latin). Systema Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. 1 (10th ed.). Holmiae (Stockholm): Laurentii Salvii. p. 95. https://www.biodiversitylibrary.org/page/727002. 
  3. ↑ Jobling, James A. (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. p. 211. ISBN 978-1-4081-2501-4. https://www.biodiversitylibrary.org/page/39703109. 
  4. ↑ Osbeck, Pehr (1757) (in Swedish). Dagbok öfwer en Ostindisk resa åren 1750, 1751, 1752 : Med anmårkningar uti naturkunnigheten, fråmmande folkslags språk. Stockholm: Ludv. Grefing. p. 250. https://www.biodiversitylibrary.org/page/49667059. 
  5. ↑ Osbeck, Pehr (1771). A voyage to China and the East Indies. 2. London: B. White. pp. 12–13. https://archive.org/details/voyagetochinaeas02osbe/page/12/mode/2up.  A translation into English of Dagbok öfwer en Ostindisk resa åren 1750, 1751, 1752 : Med anmårkningar uti naturkunnigheten, fråmmande folkslags språk.
  6. ↑ Deignan, H.G. (1948). "The races of the red-whiskered bulbul, Pycnontus joculus (Linnaeus)". Journal of the Washington Academy of Sciences 38: 279–281 [281]. https://www.biodiversitylibrary.org/page/39703109. 
  7. ↑ Mayr, Ernst; Greenway, James C. Jr, eds (1960). Check-List of Birds of the World. 9. Cambridge, Massachusetts: Museum of Comparative Zoology. p. 233. https://www.biodiversitylibrary.org/page/14480908. 
  8. ↑ Boie, Friedrich (1826). "Generalübersicht" (in German). Isis von Oken 19: Col 973. https://biodiversitylibrary.org/page/27511178. 
  9. ↑ 9.0 9.1 Gill, Frank; Donsker, David; Rasmussen, Pamela, eds (January 2021). "Bulbuls". IOC World Bird List Version 11.1. International Ornithologists' Union. https://www.worldbirdnames.org/bow/bulbuls/. 
  10. ↑ McCarthy, Eugene M. (2006). Handbook of Avian Hybrids of the World. Oxford University Press. pp. 257–258. ISBN 0-19-518323-1. 
  11. ↑ Law, S. C. (1921). "An albinoid Otocompsa emeria". Journal of the Bombay Natural History Society 28 (1): 281–282. 
  12. ↑ Whistler, Hugh (1931). "Description of new subspecies of the red-whiskered bulbuls from India". Bulletin of the British Ornithologists' Club 52: 40–41. https://www.biodiversitylibrary.org/page/40501277. 
  13. ↑ Linnaeus, Carl (1758) (in Latin). Systema Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. 1 (10th ed.). Holmiae (Stockholm): Laurentii Salvii. p. 187. https://www.biodiversitylibrary.org/page/727096. 
  14. ↑ 14.0 14.1 Carleton, A. R.; Owre, O. T. (1975). "The Red-whiskered Bulbul in Florida:1960–71". Auk 92 (1): 40–57. doi:10.2307/4084416. http://sora.unm.edu/sites/default/files/journals/auk/v092n01/p0040-p0057.pdf. 
  15. ↑ 15.0 15.1 15.2 15.3 Ali, S.; Ripley, S. D. (1996). Handbook of the birds of India and Pakistan. 6 (2nd ed.). Oxford University Press. pp. 75–80. 
  16. ↑ Brown, C. Emerson (1928). "Longevity of birds in captivity". The Auk 45 (3): 345–348. doi:10.2307/4076026. http://sora.unm.edu/sites/default/files/journals/auk/v045n03/p0345-p0348.pdf. 
  17. ↑ Jerdon, TC (1863). The Birds of India. Volume 2, part 1. Military Orphan Press, Calcutta. pp. 92–93. https://archive.org/details/birdsofindiabein21jerd. 
  18. ↑ Van Riper, Charles III; Van Riper, Sandra G.; Berger, Andrew J. (1979). "The Red-Whiskered Bulbul in Hawaii". The Wilson Bulletin 91 (2): 323–328. http://sora.unm.edu/sites/default/files/journals/wilson/v091n02/p0323-p0328.pdf. 
  19. ↑ Rand, Alison C. (1980). Factors responsible for the successful establishment of exotic avian species in southeastern Florida in Proceedings of the 9th Vertebrate Pest Conference. University of Nebraska, Lincoln. http://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1031&context=vpc9. 
  20. ↑ Prys-Jones, RP; MS Prys-Jones; JC Lawley (1981). "The birds of Assumption Island, Indian Ocean: Past and future". Atoll Research Bulletin 248: 1–16. doi:10.5479/si.00775630.248.1. http://www.botany.hawaii.edu/faculty/duffy/arb/242-251/248.pdf. 
  21. ↑ 21.0 21.1 Philippe, Clergeau; Mandon-Dalger, Isabella (2001). "Fast Colonization of an Introduced Bird: the Case of Pycnonotus jocosus on the Mascarene Islands". Biotropica 33 (3): 542–546. doi:10.1111/j.1744-7429.2001.tb00210.x. 
  22. ↑ Rand, Alison C. (1980). Factors responsible for the successful establishment of exotic avian species in southeastern Florida in Proceedings of the 9th Vertebrate Pest Conference (1980). University of Nebraska, Lincoln. http://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1031&context=vpc9. 
  23. ↑ 23.0 23.1 Rising, James D. (2001). "Bulbuls". in Elphick, C.. The Sibley Guide to Bird Life and Behavior. New York: Alfred A. Knopf. pp. 448–449. ISBN 978-1-4000-4386-6. 
  24. ↑ "Eradication success – Seychelles wins war against invasive red-whiskered bulbul". http://www.seychellesnewsagency.com/articles/2332/Eradication%20success%20%20Seychelles%20wins%20war%20against%20invasive%20red-whiskered%20bulbul. 
  25. ↑ Long, John L. (1981). Introduced Birds of the World: The worldwide history, distribution and influence of birds introduced to new environments. Terrey Hills, Sydney: Reed. pp. 298. ISBN 0-589-50260-3. 
  26. ↑ Daniel Simberloff; Betsy Von Holle (1999). "Positive interactions of nonindigenous species: invasional meltdown?". Biological Invasions 1: 21–32. doi:10.1023/A:1010086329619. http://biology.ucf.edu/~vonholle/pubs/Simberloff_VonHolle1999.pdf. 
  27. ↑ Linnebjerg, JF; DM Hansen; JM Olesen (2009). "Gut passage effect of the introduced red-whiskered bulbul (Pycnonotus jocosus) on germination of invasive plant species in Mauritius". Austral Ecology 34 (3): 272–277. doi:10.1111/j.1442-9993.2008.01928.x. https://www.academia.edu/371475. 
  28. ↑ Amiot, Christophe; Lorvelec, Olivier; Mandon-Dalger, Isabelle; Sardella, Antonia; Lequilliec, Patricia; Clergeau, Philippe (2007). "Rapid morphological divergence of introduced Red-whiskered Bulbuls Pycnonotus jocosus in contrasting environments". Ibis 149 (3): 482–489. doi:10.1111/j.1474-919X.2007.00671.x. 
  29. ↑ Rasmussen, P.C.; Anderton, J.C. (2005). Birds of South Asia: The Ripley Guide. Smithsonian Institution and Lynx Edicions. 
  30. ↑ 30.0 30.1 30.2 30.3 Begbie, A. (1908). "Note on the habits of the Bengal Red-whiskered Bulbul Otocompsa emeria". Journal of the Bombay Natural History Society 18 (3): 680. 
  31. ↑ Aitken, E.H. (1901). "Artifices practised by bulbuls". Journal of the Bombay Natural History Society 14: 162–163. https://www.biodiversitylibrary.org/page/30157801. 
  32. ↑ Herklots, G.A.C. (1934). "The Birds of Hong Kong. Part XIV. The Bulbuls". Hong Kong Naturalist 5 (1): 1–5. http://hkjo.lib.hku.hk/archive/files/59687c688ef8ac94be677ef3b6225031.pdf. 
  33. ↑ Sotthibandhu, S. (2003). "Territorial defense of the red-whiskered bulbul, Pycnonotus jocosus (Pycnonotidae), in a semi-wild habitat of the bird farm". Songklanakarin Journal of Science and Technology 25 (5): 553–563. http://rdo.psu.ac.th/sjstweb/journal/25-5/01territory.pdf. 
  34. ↑ De, G. (1976). "Communal roosting of Red-whiskered Bulbuls". Newsletter for Birdwatchers 16 (4): 11–12. 
  35. ↑ Neelakantan, K. K. (1976). "Communal roosting in the Red-whiskered Bulbul". Newsletter for Birdwatchers 16 (2): 4–5. 
  36. ↑ Raj, PJ Sanjeeva (1963). "Additions to the list of birds eating the fruit of Yellow Oleander (Thevetia neriifolia )". J. Bombay Nat. Hist. Soc. 60 (2): 457–458. 
  37. ↑ Peirce, M. A. (1984). "Haematozoa of Zambian birds IX. Redescription of Haemoproteus otocompsae, a parasite of Pycnonotidae". Journal of Natural History 18 (6): 965–967. doi:10.1080/00222938400770841. 
  38. ↑ Invasive birds global trends and impacts. Wallingford, Oxfordshire, UK Boston: Centre for Agriculture and Bioscience International (CABI). 2020. p. 57. ISBN 978-1-78924-206-5. OCLC 1114281215.  ISBN:978-1-78924-207-2. ISBN:978-1-78924-208-9.
  39. ↑ Pearson, J. T. (1841). "Catalogue of the Birds in the Museum of the Asiatic Society". Journal of the Asiatic Society of Bengal 10 (116): 628–660. https://www.biodiversitylibrary.org/page/39758124. 

Other sources

  • Fraser, F.C. (1930). Note on the nesting habits of the Southern Red-whiskered Bulbul (Otocompsa emeria fuscicaudata). J. Bombay Nat. Hist. Soc. 34(1): 250–252.
  • Michael, Bindhu; Amrithraj, M.; Pillai, K. Madhavan (1997). "A note on Isospora infection in a Southern Redwhiskered Bulbul (Pycnonotus jocosus fuscicaudatus)". Zoos' Print Journal 12 (12): 5. 
  • Kinloch, A. P. (1922). "Nidification of the Southern Redwhiskered Bulbul Otocompsa emeria fuscicaudata". Journal of the Bombay Natural History Society 28 (2): 545. 

External links

Wikidata ☰ Q501063 entry



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