Red List Category
for more information about the Red List categories and criteria
Justification of Red List category
This species is listed as Vulnerable since it has a very small breeding range on just six islands, and over-exploitation of its prey by human fisheries - compounded by pollution - is causing a continuous decline in the quality of surrounding waters for foraging.
300000 mature individuals
Land-mass type - shelf island - Continental islands include all other islands or island groups. Generally they were once part of continents and lie on a continental shelf of < 200 m sea depth.
Realm - Afrotropical - realm
Realm - Oceanic - realm
IUCN Ecosystem -- Marine biome