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 Puffinus assimilis
BirdLife is updating this factsheet for the 2016 Red List
Please email us with any relevant information

IUCN Red List history

Year Category
2014 Not Recognised
2012 Least Concern
2009 Least Concern
2008 Least Concern
2004 Least Concern
2000 Lower Risk/Least Concern
1994 Lower Risk/Least Concern
1988 Lower Risk/Least Concern

Species attributes

Migratory status full migrant Forest dependency Does not normally occur in forest
Land mass type   Average mass -

Country/Territory distribution

Country/Territory Occurrence status Presence Breeding Non-breeding Passage Resident
Argentina Native Extant        
Australia Native Extant Yes      
Austria Vagrant Extant        
Belgium Vagrant Extant        
Canada Vagrant Extant        
Cape Verde Native Extant        
Chile Native Extant        
Cook Islands Unknown Extant        
Denmark Vagrant Extant        
Falkland Islands (Malvinas) Native Extant        
Fiji Unknown Extant        
France Vagrant Extant        
French Guiana Vagrant Extant        
French Polynesia Native Extant Yes      
French Southern Territories Native Extant Yes      
Germany Vagrant Extant        
Gibraltar (to UK) Vagrant Extant        
Ireland Vagrant Extant        
Israel Vagrant Extant        
Italy Vagrant Extant        
Mauritania Native Extant        
Morocco Native Extant        
New Caledonia (to France) Unknown Extant        
New Zealand Native Extant Yes      
Norfolk Island (to Australia) Native Extant Yes      
Papua New Guinea Native Extant Yes      
Peru Vagrant Extant        
Pitcairn Islands (to UK) Unknown Extant        
Portugal Native Extant Yes      
São Tomé e Príncipe Unknown Extant        
Senegal Native Extant        
South Africa Native Extant        
South Georgia & the South Sandwich Islands Native Extant        
Spain Native Extant Yes      
St Helena (to UK) Native Extant Yes      
Tonga Unknown Extant        
United Kingdom Vagrant Extant        
USA Vagrant Extant        
Western Sahara Unknown Extant        

Important Bird Areas where this species has triggered the IBA criteria

Country/Territory IBA Name IBA link
Australia Houtman Abrolhos site factsheet
Australia Lord Howe Island Permanent Park Preserve (Lord Howe Island IBA) site factsheet
Portugal Corvo e Flores site factsheet
Portugal Costa das Flores site factsheet
Portugal Costa do Corvo site factsheet
Portugal Costa Sudeste do Pico site factsheet
Portugal Desertas site factsheet
Portugal Faial da Terra e Ponta do Arnel site factsheet
Portugal Graciosa site factsheet
Portugal Ilhas Desertas site factsheet
Portugal Ilhéu da Baleia e Ponta da Barca site factsheet
Portugal Ilhéu da Praia site factsheet
Portugal Ilhéu da Vila site factsheet
Portugal Ilhéu das Lagoínhas e Costa Adjacente site factsheet
Portugal Ilhéu de Baixo e Costa Adjacente site factsheet
Portugal Ilhéu do Topo e Costa Adjacente site factsheet
Portugal Ilhéus do Porto Santo site factsheet
Portugal Mistério da Prainha site factsheet
Portugal Mosteiros – Bretanha site factsheet
Portugal Ponta da Malbusca e Ponta do Castelete site factsheet
Portugal Ponta de São Lourenço site factsheet
Portugal Ponta dos Rosais - Urzelina site factsheet
Portugal Santa Maria site factsheet
Portugal São Jorge - Nordeste site factsheet
Portugal São Jorge - Oeste site factsheet
Portugal Selvagens site factsheet
Portugal Selvagens - Oceânica site factsheet
Spain Acantilados de Santo Domingo y Roque de Garachico site factsheet
Spain Aguas de La Gomera - Teno site factsheet
Spain Aguas y acantilados del Norte de La Palma site factsheet
Spain Anaga rocky islets site factsheet
Spain Estrecho de la Bocaina site factsheet
Spain Island of Lobos site factsheet
Spain Lanzarote islets site factsheet
Spain South-west coast of La Gomera site factsheet
St Helena (to UK) Gough Island site factsheet
St Helena (to UK) Inaccessible Island site factsheet


Purpose Primary form used Life stage used Source Scale Level Timing
Food (human) Whole Adults and juveniles Wild Subsistence, National Non-trivial Recent
Food (human) Whole Eggs Wild Subsistence, National Non-trivial Recent

Recommended citation
BirdLife International (2016) Species factsheet: Puffinus assimilis. Downloaded from on 27/10/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from on 27/10/2016.

This information is based upon, and updates, the information published in BirdLife International (2000) Threatened birds of the world. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife International, BirdLife International (2004) Threatened birds of the world 2004 CD-ROM and BirdLife International (2008) Threatened birds of the world 2008 CD-ROM. These sources provide the information for species accounts for the birds on the IUCN Red List.

To provide new information to update this factsheet or to correct any errors, please email BirdLife

To contribute to discussions on the evaluation of the IUCN Red List status of Globally Threatened Birds, please visit BirdLife's Globally Threatened Bird Forums.

Key facts
Current IUCN Red List category Not Recognised
Family Procellariidae (Petrels, Shearwaters)
Species name author Gould, 1838
Links to further information
- Summary information on this species