Table 4. Global population size of 14 seabird species from Matthew and Hunter Islands and proportion represented locally.
Tabla 4. Tamaño global de la población de 14 especies de aves marinas de las islas Matthew y Hunter y proporción representada localmente.
Species | Global population size | Reference | Global number of breeding adults (pairs) | Matthew+Hunter Island: % global population |
Pterodroma heraldica | 150,000 ind. | Brooke (2004) | < 75, 000 | << 1 % |
P. nigripennis | 8-10 million ind. | Brooke (2004) | < 4-< 5 million | << 1 % |
Ardenna pacifica | > 5,200,000 ind. | Brooke (2004) | < 2,600,000 | << 1 % |
Phaethon rubricauda | 70,000 mature ind. | BirdLife International (2020d) | 35 | < 1 % |
Sula dactylatra | “rather common” | Stotz et al. (1996) | na | na |
S. leucogaster | 200,000 ind. | BirdLife International (2018d) | < 100,000 | < 1 % |
S. sula | 1,400,000 mature ind. | Birdlife International (2021) | 700,000 | < 1 % |
Fregata ariel | 100,000-500,000 ind. | BirdLife International (2018b) | < 50,000-< 250,000 | < 1 % |
F. minor | 120,000 mature ind. | Kushlan et al. (2002) | 60 | < 1 % |
Anous albivitta | 10,000 mature ind. | BirdLife International (2018a) | 5 | 4.4 % |
A. minutus | 1,300,000 mature ind. | Partners in Flight (2019) | 650 | << 1 % |
A. stolidus | 800,000-1,400,000 mature ind. | BirdLife International (2020a) | 400,000-700,000 | < 1 % |
Onychoprion fuscatus | 23 million mature ind. | BirdLife International (2020c) | 11,500,000 | < 1 % |
Gygis alba | 25,000-49,999 mature ind. | Wetlands International (2022) | < 12,500-< 25,000 | << 1 % |