LC
Fluttering Shearwater Puffinus gavia



Taxonomy

Taxonomic source(s)
Brooke, M. de L. 2004. Albatrosses and Petrels Across the World. Oxford University Press, Oxford.
Christidis, L. and Boles, W.E. 2008. Systematics and Taxonomy of Australian Birds. CSIRO Publishing, Collingwood, Australia.
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A. and Fishpool, L.D.C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 1: Non-passerines. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.
Turbott, E.G. 1990. Checklist of the Birds of New Zealand. Ornithological Society of New Zealand, Wellington.

IUCN Red list criteria met and history
Red List criteria met
Critically Endangered Endangered Vulnerable
- - -

Red List history
Year Category Criteria
2018 Least Concern
2016 Least Concern
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 -
Distribution

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 12,400,000
Number of locations -
Severely Fragmented -
Population and trend
Value Data quality Derivation Year of estimate
No. of mature individuals poor estimated 2004
Population trend Decreasing suspected -
Decline (3 years/1 generation past) - - -
Decline (5 years/1 generation past) - - -
Decline (10 years/1 generation past) - - -
Decline (10 years/3 generation future) - - -
Decline (10 years/3 generation past and future) - - -
Number of subpopulations - - -
Percentage in largest subpopulation - - -
Generation length (yrs) 18.3 - - -

Population justification: Brooke (2004) estimated the global population to number at least 100,000 individuals.

Trend justification: The population is suspected to be in decline owing to predation by invasive species.


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
Antarctica V Extant
Australia N Extant Yes
New Caledonia (to France) U Extant
New Zealand N Extant Yes
Norfolk Island (to Australia) U Extant
Solomon Islands V Extant

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
New Zealand Trio Islands
New Zealand Chetwode Islands
New Zealand Ruamaahua Aldermen Islands
New Zealand Karewa Island
New Zealand Motuotau Island
New Zealand Motunau Island (Plate Island)
New Zealand Bay of Plenty Islands
New Zealand Mercury Islands
New Zealand Korapuki Island
New Zealand Wekarua Island
New Zealand Stanley Island (Atiu)
New Zealand Great Island
New Zealand Saddle Island
New Zealand Wooded Island
New Zealand Te Hauturu-o-Toi Little Barrier Island
New Zealand Hen and Chicken Islands
New Zealand Marotere Chickens Islands
New Zealand Taranga Hen Island
New Zealand Simmonds Islands
New Zealand Mokohinau Islands
New Zealand Motuharakeke Island (Kaeo)
New Zealand Motuopao Island
New Zealand Poor Knights Islands
New Zealand Stephenson Island
New Zealand Manawatawhi Three Kings Islands
New Zealand Bream islands
New Zealand Stewart Island / the rest
New Zealand Bounty Islands
New Zealand Poor Knights Islands
New Zealand Little Barrier Island/Hauturu
New Zealand Mokohinau Islands
New Zealand Mercury Islands
New Zealand Alderman (Ruamaahua) Islands
New Zealand Takapourewa Stephens Island
New Zealand Duffer's Reef
New Zealand Horuhoru Rock
New Zealand Long Island
New Zealand Repanga Cuvier island
New Zealand The Brothers Islands
New Zealand Tekuru Kuru
New Zealand Cook Strait
New Zealand North Eastern North Island (offshore)
New Zealand Marlborough Sounds

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Marine Coastal/Supratidal Sea Cliffs and Rocky Offshore Islands major breeding
Marine Intertidal Rocky Shoreline major breeding
Marine Neritic Macroalgal/Kelp major non-breeding
Marine Neritic Macroalgal/Kelp major breeding
Marine Neritic Pelagic major non-breeding
Marine Neritic Pelagic major breeding
Marine Neritic Seagrass (Submerged) major non-breeding
Marine Neritic Seagrass (Submerged) major breeding
Marine Neritic Subtidal Loose Rock/pebble/gravel major non-breeding
Marine Neritic Subtidal Loose Rock/pebble/gravel major breeding
Marine Neritic Subtidal Rock and Rocky Reefs major non-breeding
Marine Neritic Subtidal Rock and Rocky Reefs major breeding
Marine Neritic Subtidal Sandy major non-breeding
Marine Neritic Subtidal Sandy major breeding
Marine Neritic Subtidal Sandy-Mud major non-breeding
Marine Neritic Subtidal Sandy-Mud major breeding
Marine Oceanic Epipelagic (0-200m) major non-breeding
Marine Oceanic Epipelagic (0-200m) major breeding
Marine Oceanic Mesopelagic (200-1000m) major non-breeding
Marine Oceanic Mesopelagic (200-1000m) major breeding
Altitude   Occasional altitudinal limits  

Threats & impact
Threat (level 1) Threat (level 2) Impact and Stresses
Biological resource use Fishing & harvesting aquatic resources - Unintentional effects: (large scale) [harvest] Timing Scope Severity Impact
Ongoing Majority (50-90%) Unknown Unknown
Stresses
Species mortality
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases - Felis catus Timing Scope Severity Impact
Past, Likely to Return Minority (<50%) Rapid Declines Past Impact
Stresses
Reduced reproductive success, Species mortality
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases - Rattus exulans Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Declines Low Impact: 5
Stresses
Reduced reproductive success
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases - Rattus norvegicus Timing Scope Severity Impact
Past, Likely to Return Minority (<50%) Slow, Significant Declines Past Impact
Stresses
Reduced reproductive success
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases - Rattus rattus Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Declines Low Impact: 5
Stresses
Reduced reproductive success

Utilisation
Purpose Primary form used Life stage used Source Scale Level Timing
Food - human - - Non-trivial Recent

Recommended citation
BirdLife International (2022) Species factsheet: Puffinus gavia. Downloaded from http://www.birdlife.org on 23/05/2022. Recommended citation for factsheets for more than one species: BirdLife International (2022) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 23/05/2022.