Pitcairn Reed Warbler
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The Pitcairn reed warbler (''Acrocephalus vaughani'') is a
songbird A songbird is a bird belonging to the suborder Passeri of the perching birds (Passeriformes). Another name that is sometimes seen as the scientific or vernacular name is Oscines, from Latin ''oscen'', "songbird". The Passeriformes contains 5,00 ...
in the genus '' Acrocephalus''. Formerly placed in the "
Old World warbler The Old World warblers are a large group of birds formerly grouped together in the bird family Sylviidae. They are not closely related to the New World warblers. The family held over 400 species in over 70 genera, and were the source of much taxo ...
" assemblage (Sylviidae), it is now in the newly recognized marsh-warbler
family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...
Acrocephalidae The Acrocephalidae (the reed warblers, marsh- and tree-warblers, or acrocephalid warblers) are a family of oscine passerine birds, in the superfamily Sylvioidea. The species in this family are usually rather large "warblers". Most are rather pl ...
. It is
endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...
to
Pitcairn The Pitcairn Islands ( ; Pitkern: '), officially Pitcairn, Henderson, Ducie and Oeno Islands, are a group of four volcanic islands in the southern Pacific Ocean that form the sole British Overseas Territory in the Pacific Ocean. The four islan ...
Island in the southern
Pacific The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is bounded by the cont ...
. Locally known as the "sparrow" (true sparrows are not found on Pitcairn), it used to be common throughout the island, where it is the only land bird. It was formerly classified as a
vulnerable species A vulnerable species is a species which has been Conservation status, categorized by the International Union for Conservation of Nature as being threatened species, threatened with extinction unless the circumstances that are threatened species, ...
by the
IUCN The International Union for Conservation of Nature (IUCN) is an international organization working in the field of nature conservation and sustainable use of natural resources. Founded in 1948, IUCN has become the global authority on the status ...
due to its small range. But new research has shown it to be rarer than it was believed. Consequently, it was uplisted to
endangered An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching, inv ...
status in 2008.BLI (2008)


References

*
BirdLife International BirdLife International is a global partnership of non-governmental organizations that strives to conserve birds and their habitats. BirdLife International's priorities include preventing extinction of bird species, identifying and safeguarding i ...
(BLI) (2008)
[2008 IUCN Redlist status changes]
Retrieved 23 May 2008


External links


BirdLife Species Factsheet.
Pitcairn reed warbler Acrocephalus (bird)">Pitcairn reed warbler Birds of the Pitcairn Islands Pitcairn reed warbler Endemic birds of the Pitcairn Islands">Birds described in 1900">Pitcairn reed warbler Endemic birds of the Pitcairn Islands {{Pitcairn-stub