Inaccessible Island rail
| Inaccessible Island rail | |
|---|---|
| File:Inaccessible Island Rail (Atlantisia rogersi).jpg | |
| Scientific classification | |
| Kingdom: | |
| Phylum: | |
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| Order: | |
| Family: | |
| Genus: |
Atlantisia
Lowe, 1923
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| Species: |
A. rogersi
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| Binomial name | |
| Atlantisia rogersi Lowe, 1923
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The Inaccessible Island rail (Atlantisia rogersi) is a small bird of the rail family, Rallidae. It is the only species in its genus. It is found only on Inaccessible Island in the Tristan Archipelago, and is notable for being the smallest extant flightless bird in the world. Unlike many other islands, Inaccessible Island has remained free from introduced predators, allowing this species to flourish while many other flightless birds, including the even smaller Stephens Island wren, have perished.
The rail has an average weight of 30 g (1.1 oz) and a length of 17 cm (6.7 in). It is dark rusty-brown above and dark grey below, with a short black bill and a red eye.
This rail is found throughout Inaccessible Island, but prefers grassland and open fern-bush. Its diet includes earthworms, moths, berries, and seeds.
A clutch of two eggs is laid between October and January; chicks are vulnerable to predation by the Tristan thrush.
The Ascension crake (Mundia elpenor) which disappeared some time before 1700 but was briefly mentioned and described by traveller and hobby naturalist Peter Mundy in 1656[citation needed] and Aphanocrex podarces, the Saint Helena swamphen which disappeared before 1600 and has never been encountered by scientists were once considered congeners of A. rogersi. As they are considered to have evolved independently (with A. podarces probably not even being closely related), they have each been moved to a separate genus[citation needed]. Both species became extinct due to predation by introduced species, mainly cats and rats.
References
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<references />, or <references group="..." />External links
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Wikimedia Commons has media related to Atlantisia rogersi. |
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Wikispecies has information related to: Atlantisia rogersi |
- BirdLife species factsheet for Atlantisia rogersi
- Inaccessible Island rail stamps from Tristan da Cunha at bird-stamps.org
- Atlantisia rogersi on Avibase
- Inaccessible Island rail videos, photos, and sounds at the Internet Bird Collection
- Interactive range map of Atlantisia rogersi at IUCN Red List maps
- Audio recordings of Inaccessible Island rail on Xeno-canto.
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- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- Pages with reference errors
- Use dmy dates from June 2013
- Pages with broken file links
- IUCN Red List vulnerable species
- Articles with unsourced statements from June 2011
- Articles with unsourced statements from September 2007
- Commons category link is locally defined
- Rallidae
- Flightless birds
- Fauna of Tristan da Cunha
- Animals described in 1923
- British Atlantic territories stubs
- Gruiformes stubs
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