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Onychoprion lunatus   Peale, 1848

Gray-backed tern
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No drawings available for Laridae.


Easter Island country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: never/rarely | Ref:
Regulations: no regulations | Ref:
Uses: no uses
Comments: C: Ref. 90840.
National Checklist:
Country Information:
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Steadman, D.W., 1995
National Database:

Common names from other countries

Classification / Names / Names Populärnamn | synonymer | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS

> Charadriiformes (Shorebirds) > Laridae ()

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

Pelagiska.   Tropical

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Utplanteringar

Indo-Pacific.

Length at first maturity / Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm Max length : 38.0 cm TL hane/ej könsbestämd; (Ref. 8812); publicerad maxvikt: 140.00 g (Ref. 356)

Short description Morfologi

Wing: 28.0 cm.

Biologi     Ordlista (t.ex. epibenthic)

Total Length: 35 to 38 cm; Wingspan: 73 to 76 cm (Ref. 8812). Found along the coast and continental shelf (Ref. 356). Exclusively marine. Breeds singly or in loose colonies, typically along cliffs (Ref. 91362). Breeding colonies may be found on tropical islands, along beaches and low sea cliffs. Heavily preyed on by rats (Ref. 84934). Exhibits dipping behavior (Ref. 356). Feeds mainly by plunge diving or by dipping the surface while hovering. Diet primarily consists of fish, especially five-horned cowfish, juvenile flyingfish, goatfish, herring, and dolphinfish, but also eats squid, crustaceans, mollusks and insects (marine and terrestrial) (Ref. 122680).

Main reference referenser | Koordinator | Medarbetare

SAUP Database. 2006. (Ref. 356)

IUCN Red List Status (Ref. 130435)

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

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Human uses


| FishSource |

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Ytterligare information

Populärnamn
synonymer
Predatorer
Reproduktion
Könsmognad
Lek
Fecundity
Ägg
Egg development
Age/Size
Tillväxt
Length-weight
Length-length
Morfologi
Larver
Abundans
referenser
Mass conversion

Internet-källor

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

Estimates based on models

Preferred temperature (Ref. 115969): 23.5 - 28.9, mean 26.2 (based on 33 cells).
Vulnerability (Ref. 71543): Low to moderate vulnerability (28 of 100).
Price category (Ref. 80766): Unknown.