St Matthew and Hall Islands

IBA Criteria

Year of most recent IBA criteria assessment: 2009

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Rock Sandpiper Calidris ptilocnemis LC breeding 1999 7,500 individuals A4i
McKay's Bunting Plectrophenax hyperboreus LC breeding 2003 32,300 individuals A1, A2

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: St Matthew and Hall Islands. Downloaded from on 04/12/2022.