Chinese Pond Heron

Chinese Pond Heron
Chinese Pond Heron
Adult in breeding plumage
Adult in winter plumage
Conservation status
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Pelecaniformes
Family: Ardeidae
Genus: Ardeola
Species: A. bacchus
Binomial name
Ardeola bacchus
(Bonaparte, 1855)
Global breeding/all-year range (dark blue) and nonbreeding range (light blue/green) of A. bacchus, compared to its presumed closest relatives
Adult take-off in winter plumage

The Chinese Pond Heron (Ardeola bacchus) is an East Asian freshwater bird of the heron family (Ardeidae).

It is one of six species of birds known as "pond herons" (genus Ardeola). It is parapatric (or nearly so) with the Indian Pond Heron (A. grayii) to the west and the Javan Pond Heron (A. speciosa) to the south, and these three are presumed to form a superspecies. As a group they are variously affiliated with the Squacco Heron (A. grayii) or the Madagascar Pond Heron (A. idae). As of mid-2011 there are no published molecular analyses of pond heron interrelationships[1] and osteological data is likewise not analyzed for all relevant comparison taxa.[2]

Description and ecology

The Chinese Pond Heron is typically 47 cm (18.5 in) long with white wings, a yellow bill with a black tip, yellow eyes and legs. Its overall colour is red, blue and white during breeding season, and greyish-brown and flecked with white at other times.[3]

It is found in shallow fresh and salt-water wetlands and ponds in China and adjacent temperate and subtropical East Asia. Essentially a lowland bird, its range is delimited by the subarctic regions in the north, and by the mountain ranges in the west and south.[3]

The species is prone to some vagrancy. One individual in breeding plumage was seen by the river at Bonzon near Gangaw – just inside the Chin State of Burma –, west of the species' usual range, on April 8, 1995. A stray bird stopping over on Saint Paul Island, Alaska on August 4–9, 1997 was the first recorded occurrence of this species in the USA.[4]

Its food consists of insects, fish, and crustaceans. The Chinese Pond Heron often nests in mixed-species heronries. It lays a clutch of 3-6 blue-green eggs.[3]

It is fairly common and not considered a threatened species by the IUCN.[5]

Footnotes

  1. ^ Though a number of studies have used DNA of A. bacchus, there is almost no comparison data from other Ardeola (GenBank, [2011])
  2. ^ McCracken & Sheldon (1998)
  3. ^ a b c Robson (2002)
  4. ^ Robson et al. (1998), AOU (2000)
  5. ^ BLI (2008)

References

Media related to Ardeola bacchus at Wikimedia Commons

  • American Ornithologists' Union (AOU) (2000): Forty-second supplement to the American Ornithologists' Union Check-list of North American Birds. Auk 117(3): 847–858. DOI: 10.1642/0004-8038(2000)117[0847:FSSTTA]2.0.CO;2 PDF fulltext
  • BirdLife International (BLI) (2008). Ardeola bacchus. In: IUCN 2008. IUCN Red List of Threatened Species. Downloaded on 23 May 2009.
  • GenBank [2011]: Ardeola bacchus, Ardeola. Retrieved 2011-JUL-14.
  • McCracken, Kevin G. & Sheldon, Frederick H. (1998): Molecular and osteological heron phylogenies: sources of incongruence. Auk 115: 127–141. DjVu fulltext PDF fulltext
  • Robson, Craig R. (2002): A guide to the birds of Southeast Asia: Thailand, Peninsular Malaysia, Singapore, Myanmar, Laos, Vietnam, Cambodia. New Holland, London. ISBN 1-85368-313-2
  • Robson, Craig R.; Buck, H.; Farrow, D.S.; Fisher, T. & King, B.F. (1998): A birdwatching visit to the Chin Hills, West Burma (Myanmar), with notes from nearby areas. Forktail 13: 109-120. PDF fulltext



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