Forty Fours Motuhara

IBA Justification

The site was identified as important in 2014 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species'):
Species Current IUCN Red List Category Season Year(s) Population estimate at site IBA criteria met
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

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2014).


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Marine Coastal/Supratidal -
Shrubland -
Marine Intertidal -
For more information about the IUCN Habitat classification, please click here.

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Forty Fours Motuhara. Downloaded from on 30/09/2023.