Population information

Order name Gruiformes
Family name Rallidae
Scientific name Gallirallus calayanensis Common name Calayan Rail
Population name Philippines
Breeding range Calayan Island, Babuyan Islands Philippines Non-breeding range
Red List Category Vulnerable
Ramsar regions Asia
Notes Discovered 17 August 2004 on Calayan Island in the Babuyan Islands of the northern Philippines (see Birdlife International website). Included in WPE4.

Conservation Framework

Conservation framework Notes
No conservation frameworks
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 4 0 0 600 600 [S1857] [R5]
WPE 5 0 0 600 600 [S6997] [R5]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 4 0 0 Unknown
WPE 5 0 0 Unknown No idea

Population 1% level

Publication Yearset 1 percent Note
WPE 4 2006 6
WPE 5 2012 6

References

  • R5 - Allen, D., Oliveros, C., Espanola, C., Broad, G and Gonzalez, J.C.T. 2004. A new species of Gallirallus from Galayan island, Philippines. Forktail 20: 1-7.

Notes

  • S1857 - Preliminary estimate 200 pairs (600 individuals).
  • S6997 - Preliminary estimate 200 pairs (600 individuals).



Copyright Wetlands International 2012

Citation: Wetlands International (). "Waterbird Population Estimates" . Retrieved from wpe.wetlands.org on