Population
Estimated population is 33,000 - 38,600 (2010) and decreasing.
Status CR
Predation by introduced mammals and destruction of habitat appear to be the main threats.
For more information see BirdLife International Species Factsheet.
Newell's Shearwater (Puffinus newelli) [XC416522]
by id from Pu'u O Kila Lookout (past lookout along ridge), Kauai County, Hawaii, United States (flight call)
Nest
A burrow dug into a steep slope, usually sheltered by ferns.
Eggs (Guide)
1; white. Incubation: about 62 days; by both parents.
Young
Fledge in about 88 - 100 days.
Subspecies
Puffinus auricularis (Sibley and Moroe 1990, 1993) has been split into Townsend's Shearwater (Puffinus auricularis) and Newell's Shearwater (Puffinus newelli) following Brooke (2004).
Initially considered to be a subspecies of Manx Shearwater (Puffinus puffinus). The Rapa Shearwater is considered by some authors to be a subspecies of Newell's Shearwater (Puffinus newelli) but others as a subspecies of Little Shearwater (Puffinus assimilis).
Considered by some authors to be a subspecies of Manx Shearwater (Puffinus puffinus).
No subspecies.
Similar Species
Townsend's Shearwater (Puffinus auricularis) which has dark undertail-coverts, a shorter tail and a less sharp boundary between the black and white on the face.
References
See References.
The Field Guide to the Birds of Australia Pizzey, G., and Knight, E., 1997, Angus & Robertson, Sydney ISBN 0 207 19691 5
Field Guide to Australian Birds Morecombe, M., 2000, Steve Parish Publishing Pty Ltd. ISBN 1 876282 10 X
Field Guide to the Birds of Australia Simpson, K., and Day, N., 1999, 6th Edition, Viking ISBN 0 670 87918 5
Reader's Digest Complete Book of Australian Birds 1988, 2nd Edition, Reader's Digest ISBN 0 949819 99 9
What Bird is That? 1984, Revised Edition, Angus & Robertson, Sydney ISBN 0 207 14846 5
Handbook of Australian, New Zealand & Antarctic Birds 1990 - , Oxford University Press, Melbourne ISBN 0 19 553244 9
BirdLife International Species Factsheet