Tofua and Kao (Tonga) IBA | Details | BirdLife International

TON005

Tofua and Kao

Current view: Data table and detailed info

IBA Justification

The site was identified as internationally important for bird conservation 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 List	Season (year/s of estimate)	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

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	most of population/area (50–90%)	slow decline (1–10% over 3 generations)	high
Invasive and other problematic species and genes	happening now	most of population/area (50–90%)	slow decline (1–10% over 3 generations)	high

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Not assessed	Not assessed	Not assessed	not assessed

IBA Protection

Year	Protected Area	Designation (management category)	% coverage of IBA
2001	Tofua	National Park (II)	91
2001	Kao	National Park (II)	23

Habitats

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

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 23/12/2024.