Dupetor flavicollis   (Latham,  1790) (Bird)
Organism information awaits expert curation
Class: Aves

Image copyrights: romy ocon

Length: Very variable, 55 – 65 cm. Weight: 275 –358 g.

Voice: The “ Whoo” is a low booming drum like call, a peculiarity of this species.

Color: Male- In the male, the head and hind neck are dark grey black with a blue sheen. The relatively long bill is dark but variable. The upper bill is dark brown to red brown. The lower bill is pale green or purple below, but sometimes suffused with a reddish tinge with a yellowish tip. The irises are yellow to red brown and the skin around the eye is variable, dusky to green or pink. The chin, throat, neck and upper breast are deep buff streaked with black and white and bordered on each side by a paler gold yellow band from the chin to the base of the neck. The back, tail and upper wing are grey black, with the wing coverts tipped in buff. The under parts are dark grey brown, often with a yellow wash. The legs are variable black, dark brown, or olive green with yellow green soles.
Female- The female is slightly paler, generally brown grey instead of dark grey black, with more yellow wash to under parts. The female also has throat, fore neck, upper breast streaked with yellow, white and black with yellow breast plumes.
Immature- The immature bird has a grey black crown, but appears duller with a rufous wash. The breast is brown streaked in yellow. Back feathers are edged in buff. Lores are green brown. Irises are yellow. Legs and feet are brown grey.

Breeding season- Nesting timing differs geographically. In the north, breeding is triggered by the advent of the monsoon, at any time between May and September. In Sri Lanka nests have been found in April, May in Java, February in New Guinea, and September to January In Australia.
Nest- The nest is a platform, 23- 35 cm wide and 7.5 cm, with a shallow central depression. It is made of twigs or reeds. The nest is built by both birds. Its placement is variable, from 1 to 15 m above the water or ground.
Eggs- 3-6 eggs, white although there have been reports of a blue tinge to some.

Synonym (s)
Ardea flavicollis (Latham, 1790)
Ixobrychus flavicollis (Latham, 1790)

Common Name (s)
• Black Bittern (English)
• Kala bagla (Hindi)
• Karutha kokku (Malayalam)
• Karuppu madayan (Tamil)
• Kali pan bagli (Gujrati)
• Kalo bak (Bengali)
Economic Importance and Threats

Habitat:  Estuarine, Coastal
Trophic Level:  Consumer
Prey:  large fish, 12 to 115 cm long (Perca, Amniataba, Gobiomorphus), frogs, lizards, crabs, crayfish, shrimp, mussels, and insects including dragonflies, beetles, and flies.
IUCN Status:  Least Concern


• Kerala, Kol wetlands (Lat: 10.33) (Long: 75.96) INDIA
• Kerala, Kol wetlands (Lat: 10.66) (Long: 76.18) INDIA
• Kerala, Vembanad Lake (Lat: 9.66) (Long: 76.55) INDIA
• Kerala, Vembanad Lake (Lat: 9.28) (Long: 76.31) INDIA
• Tamil Nadu, Chennai, Pallikaranai Wetlands INDIA
• Andhra Pradesh, Coringa Wildlife Sanctuary INDIA
• Kerela, Kuttanad wetlands INDIA
• Delhi, Okhla barrage bird sanctuary INDIA
• Orissa, Bhitarkanika INDIA

Literature Source(s)
  • (2003) IUCN Red list of threatened species Available at - http://www.iucnredlist.org/
  • Integrated Taxonomic Information System (ITIS) Available at - http://www.itis.gov.
  • Nameer, PO (2005) Wetlands and waterfowl conservation in kerala with special reference to Ramsar sites kerala environment congress 2005 Centre for environment and development 97-112 Available at - NIO, Goa
  • PBase Available at - http://www.pbase.com/
  • Avibase- the world database Available at - http://avibase.bsc-eoc.org
  • Manakadan R and Pittie A (2001) Standardized English names of the Birds of the Indian Subcontinent BUCEROS Envis Newsletter: Avian ecology and inland wetland 6(1) 26pp Available at - http://www.bnhsenvis.nic.in/pdf/BUCEROS%206%20(1).pdf
  • Kumar A, sati JP and Tak CK (2003) Checklist of Indian Waterbids Buceros Envis Newsletter: Avian ecology and inland wetlands 8(1) 30pp Available at - http://www.bnhsenvis.nic.in/pdf/BUCEROS%208%20(1).pdf
  • Vernacular names of the Birds of the Indian Subcontinent Buceros, Envis newsletter: Avian Ecology & Inland Wetlands 62pp Available at - http://www.bnhsenvis.nic.in/pdf/BUCEROS%203%20(1).pdf
  • Heron Conservation The IUCN-SSC Heron Specialist Group Available at - http://www.heronconservation.org/
  • Sivaperuman C and Jayson EA (2000) Birds of Kol wetland, Thrissur, Kerala Zoo's print journal 15(10) 344-349pp Available at - http://www.zoosprint.org/ZooPrintJournal/2000/October/344-349.pdf
  • Nikhil Raj PP, Ranjini J, Dhanya R, Subramanian J, Azeez PA and Bhupathy S (2010) Consolidated checklist of birds in the Pallikaranai Wetlands, Chennai, India Journal of Threatened Taxa 2(8) 1114-1118pp Available at - http://threatenedtaxa.org/ZooPrintJournal/2010/July/o222026vii101114-1118.pdf
  • Rao VV, Anjaneyulu M, Nagulu V, Srinivasulu C and Satyanarayana D (2004) Water fowl Status at Coringa Wildlife Sanctuary, Andhra Pradesh EPTRI - ENVIS Newsletter 10(4) 7-12pp Available at - http://envis-eptri.ap.nic.in/images/Vol.10,%20No.4,%202004.pdf
  • Narayanan SP, Thomas AP and Sreekumar B (2011) Ornithofauna and its conservation in the Kuttanad wetlands, southern portion of Vembanad-Kole Ramsar site, India Journal of Threatened Taxa 3(4) 1663–1676 Available at - http://threatenedtaxa.org/ZooPrintJournal/2011/April/o187026iv111663-1676.pdf
  • Urfi AJ (2003) The birds of Okhla barrage bird sanctuary, Delhi, India Forktail 19 39-50pp Available at - http://www.orientalbirdclub.org/publications/forktail/19pdfs/Urfi-Okhla.pdf
  • Ali S and Ripley SD (1968) Handbook of the birds of India and Pakistan Oxford university press 1 1-368pp Available at - NIO
  • Gopi GV and Pandav B (2007) Avifauna of Bhitarkanika Mangroves, India Zoo's print journal 22(10) 2839-2847pp Available at - http://www.zoosprint.org/ZooPrintJournal/2007/October/2839-2847.pdf

Page last updated on:2012-08-03

Back to Search