Prince Alexandra Range (26399)
Papua New Guinea, Australasia
Site overview
KBA status: confirmed
Global KBA criteria: A1e
Year of last assessment: 2025
National site name: Prince Alexandra Range
Central coordinates: Latitude: -3.5000, Longitude: 143.0000
System: terrestrial
Elevation (m): 6 to 1188
Area of KBA (km2): 667.69708
Protected area coverage (%): 0.00
KBA classification: Global
Legacy site: Yes
Site details
Site description: Prince Alexandra Range is a KBA located in the East Sepik province of Papua New Guinea. It covers part of the Prince Alexandra mountains. The elevation range is 6-1188 m asl. The main habitats include montane and lowland moist forest, and freshwater swamp forest.
Rationale for qualifying as KBA: This site holds the only known population of the Critically Endangered tree species Ptychosperma pullenii, thus triggering the A1e criterion. It also includes a number of legacy trigger species - two mammals, one bird and three amphibians.
Manageability of the site: The manageability was determined when this legacy KBA was created.
Delineation rationale: The delineation was determined when this legacy KBA was created.
Additional information
Contributors: Mark O'Brien (BirdLife International), Ryan Hills (BGCI)