The IUCN Red List of Threatened Species

Puffinus griseus

 – Near Threatened

Taxonomy

Kingdom: ANIMALIA
Phylum: CHORDATA
Class: AVES
Order: PROCELLARIIFORMES
Family: PROCELLARIIDAE
Scientific Name: Puffinus griseus
Species Authority: (Gmelin, 1789)
Common Name/s:
EnglishSOOTY SHEARWATER

Assessment Information

Red List Category & Criteria: NT    ver 3.1 (2001)
Year Assessed: 2004
Assessor/s: BirdLife International
Evaluator/s: Stattersfield, A., Benstead, P. & Butchart, S. (BirdLife International Red List Authority)
Justification: Nearly qualifies for listing as threatened under criteria A2de+3de.
History:
1988-Lower Risk/least concern (BirdLife International 2004)
1994-Lower Risk/least concern (BirdLife International 2004)
2000-Lower Risk/least concern (BirdLife International 2000)

Geographic Range

Range Description: Puffinus griseus is an abundant shearwater, breeding on islands off New Zealand, Australia and Chile, and the Falkland Islands (to UK). In Australia there are colonies on 17 islands (all of less than 1,000 pairs), southern Chile (many colonies, some up to 200,000 pairs) and the Falklands (10,000-20,000 pairs) and more than 80 colonies in New Zealand (totalling c.5 million pairs)1. In 1970/71, the Snares Islands colonies were estimated to support 2,750,000 breeding pairs2,3, and the total world population is thought to be over 20 million birds3. Although this is an extremely numerous species, there are persistent signs of current decline4. In New Zealand, the number of burrows in the largest colony (on the Snares islands) declined by 37% between 1969-1971 and 1996-2000, and burrow occupancy may also have declined, indicating that an overall population decline may have occurred5,6. Elsewhere the mainland New Zealand colonies are in decline and certain offshore colonies have not responded to predator control7,8. In the California Current, Sooty Shearwater numbers have fallen by 90% in the last 20 years9. It remains uncertain whether this has resulted from population declines or distributional shifts10. Harvesting young birds or 'muttonbirding' currently accounts for around a quarter of a million of birds annually2,3, but is unlikely to account for the scale of the decline. Populations are no longer ravaged by pelagic drift-nets which formerly drowned up to 350,000 birds annually11. Some authorities postulate that the decline may be associated with climate change9.
Countries: Native:

Australia; Brazil; Chile; Falkland Islands (Malvinas); France; Ireland; Israel; Mexico; New Zealand; Palestinian Territory, Occupied; Portugal; Spain; United Kingdom; United States


Vagrant:

Algeria; American Samoa; Barbados; Belgium; Cape Verde; China; Cuba; Egypt; Finland; Gibraltar; Italy; Jamaica; Jordan; Latvia; Lebanon; Liberia; Malta; Martinique; Mauritania; Nigeria; Norway; Oman; Poland; Puerto Rico; Russian Federation; Saint Helena; Saint Lucia; Sri Lanka; Svalbard and Jan Mayen; Taiwan, Province of China; Trinidad and Tobago; Tunisia


Uncertain presence and origin:

Ecuador

Habitat and Ecology

System: Terrestrial; Marine
List of Habitats:
4.4Grassland - Temperate
9.1Marine Neritic - Pelagic
10.1Marine Oceanic - Epipelagic (0-200m)

Bibliography

Bibliography:

Bird Reference Citations. The numbers inserted in the text accounts above (usually in bold) refer to references. For further details on these references, click on the BirdLife International link above to go to the specific species account on the BirdLife web site. In some cases, particularly in the taxonomic notes, the references are cited using the author names. Details for these can be found on the BirdLife International web site at the following two places: For References from A–L. For References from M–Z.

BirdLife International. 2000. Threatened Birds of the World. Lynx Edicions and BirdLife International, Barcelona, Spain and Cambridge, U.K.

BirdLife International. 2004 Threatened Birds of the World 2004. CD-ROM. BirdLife International, Cambridge, U.K.


Citation: BirdLife International 2004. Puffinus griseus. In: IUCN 2007. 2007 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Downloaded on 05 September 2008.
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