Ecology

Habitat

Habitat and Ecology

Systems
  • Terrestrial
  • Freshwater
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2012

Assessor/s
BirdLife International

Reviewer/s
Butchart, S. & Symes, A.

Contributor/s

Justification
This species has a very large range, and hence does not approach the thresholds for Vulnerable under the range size criterion (Extent of Occurrence <20,000 km2 combined with a declining or fluctuating range size, habitat extent/quality, or population size and a small number of locations or severe fragmentation). The population trend appears to be stable, and hence the species does not approach the thresholds for Vulnerable under the population trend criterion (>30% decline over ten years or three generations). The population size has not been quantified, but it is not believed to approach the thresholds for Vulnerable under the population size criterion (<10,000 mature individuals with a continuing decline estimated to be >10% in ten years or three generations, or with a specified population structure). For these reasons the species is evaluated as Least Concern.
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Population

Population
The global population size has not been quantified, but the species is described as common and widespread (del Hoyo et al. 2007).

Population Trend
Stable
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Wikipedia

White-shouldered fairywren

The white-shouldered fairywren (Malurus alboscapulatus) is a species of bird in the family Maluridae. It is found in Indonesia and Papua New Guinea.

It was first described by the German naturalist Christian Erich Hermann von Meyer in 1874. Its species name is derived from the Latin words albus "white" and scapulae "shoulder-blades".[2]

Within Maluridae, it is one of 12 species in the genus, Malurus. It is most closely related to a pair of Australian species, the red-backed and white-winged fairywrens, with which it makes up a phylogenetic clade.[3] Termed the bicoloured wrens by ornithologist Richard Schodde, these three species are notable for their lack of head patterns and ear tufts and their uniform black or blue plumage with contrasting shoulder or wing colour; they replace each other geographically across northern Australia and New Guinea.[4]

Six geographically isolated subspecies are recognised, found across the island of New Guinea. They are differentiated by the differences in female plumage, the males of all six are indistinguishable.[5] The nominate subspecies is found on the Bird's Head Peninsula to the far west of the island, subspecies aida is found in northeastern Irian Jaya, subspecies lorentzi is found in southern Irian Jaya and the TransFly region of southwestern Papua New Guinea, subspecies naimii is found in central-northern Papua New Guinea, subspecies kutubu restricted to the highlands, and subspecies moretoni in the far east of the island.[6]

The adult male is all shiny black but for a white shoulders (scapulars) – unlike the better-known Australian fairywrens there is no eclipse male plumage.[7] The tail is shorter than other fairywrens. The bill is black, and the feet and eyes are black or dark brown.[5] The female of subspecies alboscapulatus and naimii bears a pied plumage, with black upperparts, white shoulders and underparts.

The preferred habitats are lowland cleared areas; grassland, village gardens, and cane-grass.[8]

References[edit]

  1. ^ BirdLife International (2012). "Malurus alboscapulatus". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 26 November 2013. 
  2. ^ Simpson, D.P. (1979). Cassell's Latin Dictionary (5 ed.). London: Cassell Ltd. pp. 33, 537. ISBN 0-304-52257-0. 
  3. ^ Christidis L, Schodde R. 1997, "Relationships within the Australo-Papuan Fairywrens (Aves: Malurinae): an evaluation of the utility of allozyme data". Australian Journal of Zoology, 45 (2): 113–129.
  4. ^ Schodde (1982), p. 31
  5. ^ a b Rowley & Russell, p. 185.
  6. ^ Rowley & Russell, p. 188.
  7. ^ Rowley & Russell, p. 186.
  8. ^ Rowley & Russell, p. 187.

Cited texts[edit]

  • Rowley, Ian; Russell, Eleanor (1997). Bird Families of the World: Fairywrens and Grasswrens. Oxford: Oxford University Press. ISBN 0-19-854690-4. 
  • Schodde, Richard (1982). The fairywrens: a monograph of the Maluridae. Melbourne: Lansdowne Editions. ISBN 0-7018-1051-3. 
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