Puffinus pacificus, Wedge-tailed shearwater

Puffinus pacificus   (Gmelin, 1789)

Wedge-tailed shearwater
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Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Aves | Procellariiformes | Procellariidae

Environment: milieu / climate zone / depth range / distribution range Ecology

Pelagic; depth range 0 - 66 m (Ref. 58635), usually 1 - 14 m (Ref. 58635).  Tropical; 21°C - 31°C (Ref. 96995)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Indo-Pacific, Atlantic Ocean and the Mediterranean. Tropical to temperate.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 46.0 cm TL male/unsexed; (Ref. 8812); max. published weight: 570.00 g (Ref. 356)

Short description Morphology

Culmen: 4.04 cm; tarsus: 5.13 cm; wing: 31.0 cm.

Biology     Glossary (e.g. epibenthic)

Total Length: 41 to 46 cm; Wingspan: 97 to 104 cm (Ref. 8812). Occupies ridges and burrows. Form small breeding colonies on headlands and the tops of coastal cliffs; found in groups of burrows rather than spread out (Ref. 89480). Colonial breeder on oceanic islands. Typically gregarious at sea; does not trail ships (Ref. 91362). Found along seashores (Ref. 83946) and the continental shelf. Exhibits pursuit-plunging and surface-diving (Ref. 81748). Feeding mode: contact dipping (birds flew close to the surface to catch their prey); feeding on the surface (birds catch their prey from a sitting position or surface dive); air dipping (observed infrequently; birds catch the flying fish) (Ref. 96995).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Breeding season is dependent on the area: from April to November in northern subtropical Pacific localities; from October to May in southern subtropical Pacific localities; breeding cycle in tropical Pacific localities extends the eight-month breeding season of those in the subtropical Pacific.

Main reference References | Coordinator | Collaborators

Eriksen, J. and R. Victor 2013 Oman Bird List: the official list of the birds of the Sulatante of Oman (7th Edition). Centre for Environmental Studies & Research, Sultan Qaboos University, Muscat, Oman, 288 pp. (Ref. 129478)

IUCN Red List Status (Ref. 130435: Version 2025-1)

  Least Concern (LC) ; Date assessed: 07 August 2018

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses


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Trophic Ecology
Food items (preys)
Diet composition
Food consumption
Predators
Ecology
Ecology
Population dynamics
Growth
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundance
Life cycle
Reproduction
Maturity
Fecundity
Spawning
Eggs
Egg development
Larvae
Distribution
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FAO areas
Ecosystems
Occurrences
Introductions
Physiology
Oxygen consumption
Human Related
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Taxonomy
Common names
Synonyms
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References
References

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | Fishipedia | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (Go, Search) | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 17.9 - 28.3, mean 26.2 (based on 1116 cells).
Resilience (Ref. 69278): High, minimum population doubling time less than 15 months (K=8.46-24.15).
Fishing Vulnerability (Ref. 71543): Moderate vulnerability (36 of 100).
Price category (Ref. 80766): Unknown.

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