Tadorna tadorna   (Linnaeus,  1758) (Bird)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Chordata
Class: Aves
Order:Anseriformes
Family:Anatidae

Image copyrights: birding.in

Description
Size: 58-67 cm.

Voice: Almost silent.

Habits: Generally more gregarious than Brahminy, occurs in small flocks, feeds by walking on mudflats, which it often frequents.

Adult: A distinctive white and black duck with a broad chestnut breast-band, glistening greenish-black head and neck, glossy green speculum bordered above with chestnut, black tail-tip, bright red bill and pink legs. Male: Has a conspicuous red knob above base of bill and a broad black band from breast to vent. Female: Is considerably smaller, dull coloured and without red knob. Male (in eclipse): Head dull blackish with little sheen, feathers of lower black band with white tips. Juvenile: Chestnut breast-band absent, sometimes sides slightly suffused with chestnut.

Synonym (s)
Anas tadorna (Linnaeus, 1758)

Common Name (s)
• Common Shelduck (English)
• Shah chakwa, Safed surkhab, Rararia (Hindi)
• Shah chaka (Bengali)
• Safed surkhab (Gujarati)
Economic Importance and Threats

Ecology
Habitat:  Muddy, Coastal
Trophic Level:  Consumer
Prey:  Chiefly carnivorous, comprising molluscs, aquatic arthropods, also algae, seeds.
IUCN Status:  Least Concern

Biogeography


• Punjab INDIA
• INDIA
• PAKISTAN
• SRI LANKA
• BANGLADESH

Literature Source(s)
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • (2003) IUCN Red list of threatened species Available at - http://www.iucnredlist.org/
  • Kumar, A; Sati, JP; Tak, PC and Alfred, JRB (2005) Handbook on Indian wetland birds and their conservation Zoological Survey of India, Dehra Dun 468 pp Available at - NIO, Goa
  • Birding in India and South Asia Available at - http://www.birding.in/
  • 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
  • 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
  • Ali S and Ripley SD (1968) Handbook of the birds of India and Pakistan Oxford university press 1 1-368pp Available at - NIO

Page last updated on:2012-08-24

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