Bregulla, H.L. (1992) Birds of Vanuatu. Anthony Nelson, Oswestry, UK.
Colonies Surveyed (13)
Vanuatu EEZ -
Colony: Tongoa
Vanuatu EEZ -
Colony: Ambae
Vanuatu EEZ -
Colony: Malo
Vanuatu EEZ -
Colony: Tanna
Vanuatu EEZ -
Colony: Mere Lava
Vanuatu EEZ -
Colony: Ureparapara
Vanuatu EEZ -
Colony: Paama
Vanuatu EEZ -
Colony: Mataso
Vanuatu EEZ -
Colony: Laika
Vanuatu EEZ -
Colony: Hideaway
Vanuatu EEZ -
Colony: Erromango
Vanuatu EEZ -
Colony: Epi
Vanuatu EEZ -
Colony: Efate