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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
Shy Ground Dove Pampusana stairi	LC	breeding	2004	common	A1, A2
Many-coloured Fruit-dove Ptilinopus perousii	LC	breeding	2004	common	A2
Tongan Fruit-dove Ptilinopus porphyraceus	LC	breeding	2004	common	A2
Tropical Shearwater Puffinus bailloni	LC	breeding	2004	1,500 breeding pairs	A4ii
Maroon Shining-parrot Prosopeia tabuensis	LC	breeding	2004	present	A2
Blue-crowned Lorikeet Vini australis	LC	breeding	1990	uncommon	A2
Polynesian Wattled Honeyeater Foulehaio carunculatus	LC	breeding	2004	common	A2
Tongan Whistler Pachycephala jacquinoti	NT	breeding	2004	common	A1, A2
Polynesian Triller Lalage maculosa	LC	breeding	2004	common	A2
Polynesian Starling Aplonis tabuensis	LC	breeding	2004	common	A2
A4iii Species group - seabirds	n/a	breeding	2004	10,000 breeding pairs	A4iii

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

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.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Invasive and other problematic species and genes	likely in short term (within 4 years)	majority/most of area/population (50-90%)	very rapid to severe deterioration	high
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

Habitat1	Habitat detail	% of IBA
Forest	Lowland evergreen rain forest (tropical)	90
Marine Coastal/Supratidal		minor (<10)
Rocky areas (eg. inland cliffs, mountain peaks)		minor (<10)
Savanna		minor (<10)
Wetlands (inland)	Freshwater lakes and pools	minor (<10)

1. IUCN Habitat classification.

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