|Location||Northern Mariana Islands (to USA), Northern Islands|
|Central coordinates||145o 47.00' East 16o 42.00' North|
|IBA criteria||A1, A2|
|Altitude||0 - 301m|
|Year of IBA assessment||2007|
Site description The proposed Sarigan Island IBA consistently harbours a relatively large population of Micronesian Megapodes, with up to 50% of the CNMI’s total megapode population. Sarigan is uninhabited and feral ungulates were removed from the island in 2000. The island serves as a mitigation site for military use of the Farallon de Medinilla. Vegetation on the island has returned rapidly since ungulate eradication.
Key Biodiversity The entire island of Sarigan is proposed as an IBA under A1 and A2 criteria. Sarigan has a large population of Micronesian Megapodes and may consistently harbour 50% of the total CNMI megapode population (Marshall, pers. comm.). The island is also home to White-throated Ground-Doves and has a small population of Grey Backed Terns, which are rare in the CNMI, as well as Micronesian Starlings, Collared Kingfishers, and Micronesian Honeyeaters. A small population of Common Buzzards was present on Sarigan (Reichel et al., 1994) during surveys in the 1980s and 1990s.
|Species||Season||Period||Population estimate||Quality of estimate||IBA Criteria||IUCN Category|
|Micronesian Scrubfowl Megapodius laperouse||resident||-||present||-||A1, A2||Endangered|
|White-throated Ground-dove Alopecoenas xanthonurus||resident||-||present||-||A1, A2||Near Threatened|
|Micronesian Myzomela Myzomela rubratra||resident||-||present||-||A2||Least Concern|
|Micronesian Starling Aplonis opaca||resident||-||present||-||A2||Least Concern|
|2007||medium||not assessed||not assessed|
|Protected area||Designation||Area (ha)||Relationship with IBA||Overlap with IBA (ha)|
|Sarigan||Strict Nature Reserve||490||protected area contained by site||490|
Protection status The island is formally and fully protected as a Wildlife Conservation Area by the CNMI Division of Fish and Wildlife (DFW, 2007).
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Recommended citation BirdLife International (2014) Important Bird Areas factsheet: Sarigan Island. Downloaded from http://www.birdlife.org on 26/11/2014
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