Forty Fours Motuhara

IBA Criteria

Year of most recent IBA criteria assessment: 2014

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Northern Royal Albatross Diomedea sanfordi EN breeding 1980-2002 5,000-5,800 breeding pairs A1, A4ii
Buller's Albatross Thalassarche bulleri NT breeding 1990-2002 8,000-8,713 breeding pairs A1, A4ii
Northern Giant Petrel Macronectes halli LC breeding 1976-1993 336-2,000 breeding pairs A4ii
Pitt Island Shag Phalacrocorax featherstoni EN resident 1997-2011 6-9 nests A1, A4i
A4iii Species group - seabirds n/a breeding 1960-1993 10,000-19,999 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


IUCN Habitat Habitat detail Extent (% of site)
Marine Coastal/Supratidal -
Shrubland -
Marine Intertidal -
For further information about the habitat classification please click here.

Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Forty Fours Motuhara. Downloaded from on 30/03/2023.