Year of most recent IBA criteria assessment: 2014
Populations of IBA trigger speciesSpecies | Current IUCN Red List Category | Season | Year(s) of estimate | Population estimate | IBA Criteria Triggered |
---|---|---|---|---|---|
White-faced Storm-petrel Pelagodroma marina | LC | breeding | 1934-2000 | 7,500-10,000 breeding pairs | A4ii |
Grey-faced Petrel Pterodroma gouldi | LC | breeding | 1972-2013 | 58,143-499,999 breeding pairs | A4ii |
Fluttering Shearwater Puffinus gavia | LC | breeding | 1930-1995 | 1,000-4,999 breeding pairs | A4ii |
Little Shearwater Puffinus assimilis | LC | breeding | 1995-2000 | 3,150-10,097 breeding pairs | A4ii |
A4iii Species group - seabirds | n/a | - | - | 500,000-999,999 breeding pairs | A4iii |
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
Protected Area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) |
---|---|---|---|---|
Aldermen Islands (Ruamaahu) | Wildlife Sanctuary | 113 | protected area overlaps with site | 0 |
Aldermen Islands (Ruamaahu) | Nature Reserve | 113 | protected area overlaps with site | 100 |
IUCN Habitat | Habitat detail | Extent (% of site) |
---|---|---|
Marine Coastal/Supratidal | - | |
Shrubland | - | |
Forest | - | |
Rocky areas (eg. inland cliffs, mountain peaks) | - | |
Marine Intertidal | - |
Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Ruamaahua Aldermen Islands. Downloaded from
http://www.birdlife.org on 21/03/2023.