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Onychoprion lunatus   Peale, 1848

Gray-backed tern
Hochladen Photos 
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No photo available for this species.
No drawings available for Laridae.


Hawaii country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: abundant (always seen in some numbers) | Ref:
Importance: | Ref:
Aquaculture: never/rarely | Ref:
Regulations: no regulations | Ref:
Uses: no uses
Comments: C: Refs. 356, 84934, 122680.
National Checklist:
Country Information:
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: SAUP Database, 2006
National Database:

Common names from other countries

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

> Charadriiformes (Shorebirds) > Laridae ()

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

Pelagisch.   Tropical

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Einführungen

Indo-Pacific.

Length at first maturity / Size / Gewicht / Alter

Maturity: Lm ?  range ? - ? cm Max length : 38.0 cm TL Männchen/unbestimmt; (Ref. 8812); max. veröff. Gewicht: 140.00 g (Ref. 356)

Kurzbeschreibung Morphologie

Wing: 28.0 cm.

Biologie     Fachlexikon (Englisch) (z.B. 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).

Hauptreferenz Referenzen | Koordinator | Partner

SAUP Database. 2006. (Ref. 356)

IUCN Rote Liste Status (Ref. 130435)

  nicht bedroht (LC) ; Date assessed: 07 August 2018

CITES Status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Nutzung durch Menschen


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Internet Quellen

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | GenBank (Genom, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (Gehe zu, Suchen) | Zoological Record

Estimates based on models

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