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
Australasian Bittern Botaurus poiciloptilus EN resident - present A1
Northern Red-breasted Plover Charadrius aquilonius NT resident 2009-2012 43-47 breeding pairs A1, A4i
Black-billed Gull Larus bulleri NT breeding - present A1

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)
Molesworth Stewardship Area 1 protected area overlaps with site 0
Mangawhai Government Purpose Reserve 247 protected area contained by site 247


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

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Mangawhai. Downloaded from on 07/12/2022.