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Black Bittern

From Opus

Photo by Neil FiferNear Sydney, Australia
Photo by Neil Fifer
Near Sydney, Australia
Ixobrychus flavicollis

Dupetor flavicollis

Contents

[edit] Identification

54–66 cm (21¼-26 in)
Adult

  • Black above
  • Yellow neck sides
  • Whitish undersides are heavily streaked with brown
  • Longish neck
  • Long yellow bill

Female: is not so dark as the male, and is yellower on the underparts
Juvenile dark brown rather than black, otherwise similar to the adult

[edit] Distribution

FemalePhoto by Romy OconCandaba wetlands, Pampanga province, Philippines, December 2006
Female
Photo by Romy Ocon
Candaba wetlands, Pampanga province, Philippines, December 2006

Tropical Asia to Australia.
Breeds from south-east Pakistan, throughout India to Sri Lanka and in western Burma, southern China and Hainan, the Philippines, southern Thailand and Indochina, southern Malaya, Sumatra, Java and Timor.

Also occurs in southern New Guinea, the Bismarck Archipelago and Solomon Islands and in coastal western, northern and eastern Australia.

Chinese birds are migratory and winter in Malaysia and Indonesia but elsewhere this species appears to undergo dispersal governed by rains.

[edit] Taxonomy

Some authorities place this species in the genus Dupetor.

[edit] Subspecies

Ixobrychus flavicollis has three subspecies[1]:

  • I. f. flavicollis:
  • I. f. australis:
  • I. f. woodfordi:
  • Solomon Islands
JuvenilePhoto by Weiss1Daintree River, Queensland, Australia, February 2010
Juvenile
Photo by Weiss1
Daintree River, Queensland, Australia, February 2010

[edit] Habitat

Densely vegetated margins of lakes and ponds, forest swamps and riverbanks, rice fields and mangroves.

[edit] Behaviour

Photo by SeeTohTuas South, Singapore, November 2015
Photo by SeeToh
Tuas South, Singapore, November 2015
  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2015. The eBird/Clements checklist of birds of the world: v2015, with updates to August 2015. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. BF Member observations

Often nocturnal.

[edit] Breeding

The stick nest is made on a branch overhanging water; it is lined with reeds. Both adults incubate the 3 to 5 eggs and rear the young.

[edit] Diet

The diet includes frogs, reptiles, fish and invertebrates, snails, dragonflies, shrimps and crayfish.

[edit] Vocalisation

A booming call.

[edit] Gallery

Click images to see larger version

[edit] References

  1. NSW Gov.au
  2. Handbook of the Birds of the World Alive (retrieved November 2015)
  3. Wikipedia

[edit] External Links


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