Calayan rail

The Calayan rail (Gallirallus calayanensis) is a flightless bird of the rail, moorhen, and coot family (Rallidae) that inhabits Calayan Island in the Philippines. Though well known to natives of the island as the "piding", it was first observed by ornithologist Carmela Española in May 2004 and the discovery was officially announced on August 16, 2004. The formal description as a species new to science appeared in the journal Forktail (Allen et al. 2004).

Calayan rail
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Gruiformes
Family: Rallidae
Genus: Gallirallus
Species:
G. calayanensis
Binomial name
Gallirallus calayanensis
D. Allen, C. Oliveros, C. Espanola
G. Broad & J. C. T. Gonzalez, 2004

The Calayan rail is one of the 20 known extant flightless rails. It is small and dark brown, with a distinctive orange-red bill and legs, and utters loud, harsh calls. Its habitat seems to be restricted to forests on coralline limestone areas on Calayan and extends to a total of less than 100 km². Biologists estimate that there may be 200 pairs on the island.

The Calayan rail's genus, Gallirallus includes many species of Southwest Pacific islands, of which the most familiar in the English-speaking world is the weka of New Zealand.

References
  1. BirdLife International (2012). "Gallirallus calayanensis". IUCN Red List of Threatened Species. 2012. Retrieved 26 November 2013.CS1 maint: ref=harv (link)


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