Main Chatham (New Zealand) - BirdLife IBA factsheet

NZ125

Main Chatham

Current view: Data table and detailed info

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') at the site:

Species	Red List¹	Season	Year(s)	Size	IBA criteria
Magenta Petrel Pterodroma magentae	CR	breeding	1987-1993	4 nests	A1, A4ii
Chatham Islands Shag Leucocarbo onslowi	CR	breeding	1961-2011	323-496 nests	A1, A4i
Pitt Island Shag Phalacrocorax featherstoni	EN	breeding	1961-2011	227-324 nests	A1, A4i
Chatham Islands Oystercatcher Haematopus chathamensis	EN	resident	2009	45 breeding pairs	A1, A4i

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2014) may differ.

IBA Conservation

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2014. The most recent assessment (2014) is shown below.

IBA conservation assessment
Year of assessment	State	Pressure	Response
2014	not assessed	medium	not assessed
Whole site assessed?	State assessed by	Accuracy of information
no	unset	-

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Invasive and other problematic species and genes	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Biological resource use	happening now	some of area/population (10-49%)	slow but significant deterioration	medium

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Not assessed	Not assessed	Not assessed	not assessed

IBA Protection

Year	Protected Area	Designation	% overlap with IBA
1987	Tikitiki Hill	Stewardship Area	<1
1992	Wharekauris	Conservation Covenant	<1
2007	Point Munning	Conservation Covenant	1

Habitats

Habitat¹	Habitat detail	% of IBA
Introduced vegetation		major (>10)
Marine Coastal/Supratidal		major (>10)
Marine Intertidal		major (>10)
Shrubland		major (>10)

1. IUCN Habitat classification.

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Main Chatham (New Zealand). Downloaded from https://datazone.birdlife.org/site/factsheet/main-chatham-iba-new-zealand on 23/11/2024.