Pterodroma externa, Juan fernandez petrel

Pterodroma externa   (Salvin, 1875)

Juan fernandez petrel
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Classification / Names Populärnamn | synonymer | CoL | ITIS | WoRMS

Aves | Procellariiformes | Procellariidae

Environment: milieu / climate zone / djupintervall / distribution range Ekologi

.  Tropical

Distribution Länder | FAO områden | Ekosystem | Förekomster | Utplanteringar

Indo-Pacific and Southeast Atlantic. Tropical and subtropical.

Length at first maturity / Size / Weight / Age

Könsmognad: Lm ?  range ? - ? cm Max length : 43.0 cm TL hane/ej könsbestämd; (Ref. 84934); publicerad maxvikt: 430.00 g (Ref. 356)

Short description Morfologi

Culmen: 3.78 cm; tarsus: 4.08 cm; wing: 31.8 cm.

Biologi     Ordlista (t.ex. epibenthic)

Forms breeding colonies on oceanic islands. Does not commonly trail ships (Ref. 91362). Exhibits pursuit diving (Ref. 356).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Eggs | Fecundity | Larvae

Main reference referenser | Koordinator | Medarbetare

Lepage, D. 2007 Avibase -the World Bird Database. http://www.bsc-eoc.org/avibase/avibase.jsp [accessed 09/07/2007]. (Ref. 7816)

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

  Sårbar, se IUCNs rödlista (VU) (D2); Date assessed: 07 August 2018

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses


| FishSource |

Verktyg

E-book | Fälthandbok

Ytterligare information

Trophic Ecology
Food items (preys)
Födosammansättning
Födointag
Predatorer
Ekologi
Ekologi
Population dynamics
Tillväxt
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundans
Life cycle
Reproduktion
Könsmognad
Fecundity
Lek
Eggs
Egg development
Larvae
Distribution
Länder
FAO områden
Ekosystem
Förekomster
Utplanteringar
Physiology
Syreförbrukning
Human Related
Stamps, coins, misc.
Outreach
Medarbetare
Taxonomy
Populärnamn
synonymer
Morfologi
Bilder
referenser
referenser

Internet-källor

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, sök) | Zoological Record

Estimates based on models

Fishing Vulnerability (Ref. 71543): Low to moderate vulnerability (33 of 100).
Price category (Ref. 80766): Unknown.

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