Tofua and Kao (Tonga) - BirdLife IBA factsheet

TON005

Tofua and Kao

Current view: Data table and detailed info

IBA Justification

The site was identified as important in 2007 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
Many-coloured Fruit-dove Ptilinopus perousii	LC	breeding	1996	present	A2
Tongan Fruit-dove Ptilinopus porphyraceus	LC	breeding	1996	present	A2
Blue-crowned Lorikeet Vini australis	LC	breeding	1996	present	A2
Polynesian Wattled Honeyeater Foulehaio carunculatus	LC	breeding	1996	present	A2
Polynesian Triller Lalage maculosa	LC	breeding	1996	present	A2
Fiji Shrikebill Clytorhynchus vitiensis	LC	breeding	1996	present	A2
Polynesian Starling Aplonis tabuensis	LC	breeding	1996	present	A2

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2007) may differ.

IBA Conservation

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2007. The most recent assessment (2007) is shown below.

IBA conservation assessment
Year of assessment	State	Pressure	Response
2007	not assessed	high	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
Agricultural expansion and intensification	happening now	majority/most of area/population (50-90%)	slow but significant deterioration	high
Invasive and other problematic species and genes	happening now	majority/most of area/population (50-90%)	slow but significant deterioration	high

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
2001	Tofua	National Park	91
2001	Kao	National Park	23

Habitats

Habitat¹	Habitat detail	% of IBA
Forest	Lowland evergreen rain forest (tropical)	50
Shrubland		34
Wetlands (inland)	Freshwater lakes and pools	16

1. IUCN Habitat classification.

Land use

Land use	% of IBA
agriculture	major (>10)

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Tofua and Kao (Tonga). Downloaded from https://datazone.birdlife.org/site/factsheet/tofua-and-kao-iba-tonga on 22/11/2024.