NZM005
Cook Strait


IBA Criteria

Year of most recent IBA criteria assessment: 2013

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 passage - - A1
Fluttering Shearwater Puffinus gavia LC breeding 1983-1995 10,000-20,000 mature individuals A4ii
Hutton's Shearwater Puffinus huttoni EN breeding - - A1
Australasian Gannet Morus serrator LC breeding 2011 10,000 mature individuals A4ii
Black-billed Gull Larus bulleri NT - - - A1
Black-fronted Tern Chlidonias albostriatus EN passage - - A1
A4iii Species group - seabirds n/a - - - 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


IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Wylie Whanganui Inlet Conservation Covenant 22 protected area is adjacent to site 0
Whitiau Scientific Reserve 246 protected area is adjacent to site 0
Whanganui Inlet Scenic Reserve 65 protected area is adjacent to site 0
Westhaven (Whanganui Inlet) Wildlife Managment Area 2,095 protected area overlaps with site 0
Westhaven (Te Tai Tapu) Marine Reserve 542 protected area overlaps with site 0
Westhaven Scenic Reserve 53 protected area overlaps with site 0
Wairau Diversion Mouth Stewardship Area 277 protected area overlaps with site 0
Waikutakuta / Robin Hood Bay Conservation Covenant 2 protected area overlaps with site 0
Waikawa Stewardship Area 4 protected area overlaps with site 0
Waikanae Estuary Scientific Reserve 65 protected area overlaps with site 0
Victoria Stewardship Area 12 protected area is adjacent to site 0
Turakirae Head Scientific Reserve 124 protected area is adjacent to site 0
Tonga Island Marine Reserve 1,828 protected area contained by site 0
The Brothers Islands Wildlife Sanctuary 12 protected area overlaps with site 0
Te Parinui o Whiti - White Bluffs Conservation Covenant 44 protected area overlaps with site 0
Te Mana a Kupe Scientific Reserve 4 protected area overlaps with site 0
Tawhirihoe Scientific Reserve 151 protected area is adjacent to site 0
Taputeranga Marine Reserve 855 protected area contained by site 0
Tapuarau Lagoon Stewardship Area 218 protected area is adjacent to site 0
Takapourewa Nature Reserve 139 protected area is adjacent to site 0
Sinclair Head Scientific Reserve 1 protected area overlaps with site 0
Remutaka Forest Conservation Park 19,780 protected area is adjacent to site 0
Red Rocks Scientific Reserve 1 protected area overlaps with site 0
Raukawa Rock Stewardship Area 5 protected area overlaps with site 0
Pukerau Point Stewardship Area 80 protected area overlaps with site 0
Pauatahanui Inlet Wildlife Refuge 166 protected area contained by site 0
Patea Harbour Stewardship Area 31 protected area overlaps with site 0
Part Run 23 Stewardship Area 15 protected area is adjacent to site 0
Pah Point (Whanganui Inlet) Scenic Reserve 1 protected area overlaps with site 0
Otuwhero- Nell Reed Block Scenic Reserve 56 protected area is adjacent to site 0
Otuhaereroa Island Scenic Reserve 20 protected area overlaps with site 0
Odlins Exchange Scenic Reserve 831 protected area is adjacent to site 0
Ocean Beach Stewardship Area 44 protected area overlaps with site 0
North West Nelson Forest Conservation Park 32,918 protected area is adjacent to site 0
No Mans Island Nature Reserve 2 protected area overlaps with site 0
Mount Richmond Forest Conservation Park 165,593 protected area is adjacent to site 0
Moukirikiri Island Scenic Reserve 1 protected area overlaps with site 0
Motuanauru Scenic Reserve 9 protected area overlaps with site 0
Moorehouse Stewardship Area 1 protected area overlaps with site 0
Mokopuna Scientific Reserve 1 protected area overlaps with site 0
Milnthorpe Park Scenic Reserve 161 protected area is adjacent to site 0
Matiu Scientific Reserve 23 protected area overlaps with site 0
Mana Island Scientific Reserve 207 protected area is adjacent to site 0
Makaro Scientific Reserve 2 protected area overlaps with site 0
Lake Wairarapa Wetland Stewardship Area 8,630 protected area is adjacent to site 0
Lake Grassmere Wildlife Refuge Wildlife Refuge 1,764 protected area is adjacent to site 0
Kapiti Island North Nature Reserve 189 protected area is adjacent to site 0
Kapiti Island Nature Reserve 1,716 protected area is adjacent to site 0
Kapiti Marine Reserve 2,167 protected area contained by site 0
Kaiteriteri Scenic Reserve 1 protected area overlaps with site 0
Kahurangi National Park National Park 451,830 protected area is adjacent to site 0
Horoirangi Marine Reserve 910 protected area contained by site 0
Hori Bay Conservation Covenant 112 protected area is adjacent to site 0
Farewell Spit Nature Reserve 11,347 protected area is adjacent to site 0
Farewell Spit Ramsar Site, Wetland of International Importance 11,388 protected area overlaps with site 0
Coombe Rocks Conservation Covenant 2 protected area overlaps with site 0
Collingwood Scenic Reserve 46 protected area overlaps with site 0
Brothers Islands (South Group) Nature Reserve 8 protected area overlaps with site 0
Boulder Bank Scenic Reserve 62 protected area overlaps with site 0
Awatere River mouth Stewardship Area 6 protected area overlaps with site 0
Abel Tasman National Park National Park 23,503 protected area is adjacent to site 0
Abel Tasman Scenic Reserve 784 protected area overlaps with site 0


Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Cook Strait. Downloaded from http://www.birdlife.org on 27/11/2022.