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The bokikokiko, Kiritimati reed warbler or Christmas Island warbler (''Acrocephalus aequinoctialis'') is a species of
warbler Various Passeriformes (perching birds) are commonly referred to as warblers. They are not necessarily closely related to one another, but share some characteristics, such as being fairly small, vocal, and insectivorous. Sylvioid warblers Th ...
in the family
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 p ...
. It is found only on
Kiritimati Kiritimati (also known as Christmas Island) is a Pacific Ocean atoll in the northern Line Islands. It is part of the Republic of Kiribati. The name is derived from the English word "Christmas" written in Gilbertese according to its phonolog ...
and Washington Island (
Kiribati Kiribati (), officially the Republic of Kiribati ( gil, ibaberikiKiribati),Kiribati
''The Wor ...
). The population size of the bokikokiko is estimated to be around 2500, with a decreasing population trend. The species is under threat from introduced species such as the
pig The pig (''Sus domesticus''), often called swine, hog, or domestic pig when distinguishing from other members of the genus '' Sus'', is an omnivorous, domesticated, even-toed, hoofed mammal. It is variously considered a subspecies of ''Sus ...
and rat but especially the
feral cat A feral cat or a stray cat is an unowned domestic cat (''Felis catus'') that lives outdoors and avoids human contact: it does not allow itself to be handled or touched, and usually remains hidden from humans. Feral cats may breed over dozens ...
and
climate change In common usage, climate change describes global warming—the ongoing increase in global average temperature—and its effects on Earth's climate system. Climate change in a broader sense also includes previous long-term changes to ...
in relation to
rising sea levels Rising may refer to: * Rising, a stage in baking - see Proofing (baking technique) *Elevation * Short for Uprising, a rebellion Film and TV * "Rising" (''Stargate Atlantis''), the series premiere of the science fiction television program ''Starga ...
.


Subspecies

The species may be divided into the following subspecies: * ''Acrocephalus aequinoctialis aequinoctialis'' Latham, 1790 * ''Acrocephalus aequinoctialis pistor''


Gallery

File:Christmas Warbler.png, Bokikokiko


References


External links

* * * http://www.birdlife.org/datazone/speciesfactsheet.php?id=7615 * http://ibc.lynxeds.com/species/kiritimati-reed-warbler-acrocephalus-aequinoctialis * http://thewebsiteofeverything.com/animals/birds/Passeriformes/Sylviidae/Acrocephalus-aequinoctialis Acrocephalus (bird) Birds of Micronesia Endemic fauna of Kiribati Birds described in 1790 Taxonomy articles created by Polbot {{Acrocephalidae-stub