Alcedo hercules   (Laubmann,  1917) (Bird)
Organism information awaits expert curation
Class: Aves

Image copyright: David Behrens

Size: 22cm

Superficially very like common or Small Blue Kingfisher has deeper rufous underparts, darker greenish-blue ear-coverts, scapulars and wings; heavier spotting on blackish crown, but appreciably larger. Sexes alike

Breeding: Season, March to June, principally April and May. Nest, a horizontal tunnel dug into the steep bank of a forest stream or ravine, c. 8 cm in diameter and usually between 45 and 70 cm long, ending in a widened egg-chamber. Eggs, 4 to 6, glossy, white, roundish ovals.

Synonym (s)
Alcedo grandis (Blyth, 1845)

Common Name (s)
• Blyth's Kingfisher (English)
• Dao natu dedao (Cachar )
• Great Blue Kingfisher (English)
Economic Importance and Threats
Threats:  Anthropogenic
(This species is still widespread at low densities within its historical range, although deforestation is reducing and fragmenting its habitat, and human disturbance and river pollution are possibly also threats.)

Habitat:  Estuarine
Trophic Level:  Consumer
Prey:  Fish and aquatic insects.
IUCN Status:  NearThreatened


Literature Source(s)
  • (2003) IUCN Red list of threatened species Available at -
  • Avibase- the world database Available at -
  • Myers, P; Espinosa, R; Parr, CS; Jones, T; Hammond, GS and Dewey, TA (2006) Animal diversity web Available at -
  • Vernacular names of the Birds of the Indian Subcontinent Buceros, Envis newsletter: Avian Ecology & Inland Wetlands 62pp Available at -
  • 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 -
  • Ali S and Ripley SD (1970) Handbook of the birds of India and Pakistan Oxford University Press 4 1-256pp Available at - NIO
  • 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

Page last updated on:2012-09-10

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