Newell’s Shearwater
Photo: ALAN SCHMIERER from southeast AZ, USA · CC0

Petrels, Shearwaters, and Diving Petrels

Newell’s Shearwater

Puffinus newelli

CRCritically Endangered
Family
Petrels, Shearwaters, and Diving Petrels (Procellariidae)
Order
Procellariiformes

Overview

Newell's shearwater or Hawaiian shearwater (ʻaʻo), (Puffinus newelli) is a seabird in the family Procellariidae. It belongs to a confusing group of shearwaters which are difficult to identify and whose classification is controversial. It was formerly treated as a subspecies of the Manx shearwater (Puffinus puffinus) and is now often placed in Townsend's shearwater (Puffinus auricularis).
This shearwater is the only seabird endemic to the Hawaiian Islands.

Summary from Wikipedia, available under CC BY-SA 4.0.

Range and habitat

Breeds mountains of main Hawaiian Islands (primarily Kauai, also Molokai, Maui, and Hawaii); ranges to waters south of Japan and Mariana Islands and to southwestern Pacific near New Caledonia, Solomon Islands, and Vanuatu.

Range description: AviList Global Avian Checklist.

Sources and further reading

Last updated September 29, 2026.