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Difference between revisions of "Black Bittern" - BirdForum Opus

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====Vocalisation====
 
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A booming call.
 
A booming call.
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Wikipedia
 
==External Links==
 
==External Links==
 
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[[Category:Birds]][[Category:Ixobrychus]]
 
[[Category:Birds]][[Category:Ixobrychus]]

Revision as of 18:50, 28 February 2009

Photo by Neil Fifer
Near Sydney, Australia
Ixobrychus flavicollis

Identification

Adult

  • 58cm.
  • Black above
  • Yellow neck and sides
  • Whitish undersides are heavily streaked with brown
  • Longish neck
  • Long yellow bill

Juvenile dark brown rather than black, otherwise similar to the adult

Distribution

Tropical Asia toAustralia. 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.

Taxonomy

Some authorities place this species in the genus Ixobrychus.

Ixobrychus flavicollis has three subspecies:

  • I. f. flavicollis;
  • I. f. australis; and
  • I. f. woodfordi.

Habitat

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

Behaviour

Often nocturnal.

Breeding

Nests are placed on a branch overhanging water and are a bed of sticks and reeds on a base of larger sticks. 3-5 eggs are laid and both parents incubate and rear the young.

Diet

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

Vocalisation

A booming call.

References

Wikipedia

External Links

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