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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 Κοινά ονόματα | Συνώνυμα | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS

> Charadriiformes (Shorebirds) > Laridae ()

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

Πελαγικό(ά).   Tropical

Κατανομή Χώρες | Περιοχές FAO | Οικοσυστήματα | Παρουσίες | Εισαγωγές

Indo-Pacific.

Length at first maturity / Μέγεθος / Βάρος / Age

Maturity: Lm ?  range ? - ? cm Max length : 38.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 8812); μεγ. δημοσιευμένο βάρος: 140.00 g (Ref. 356)

Short description Μορφολογία

Wing: 28.0 cm.

Βιολογία     Γλωσσάρι (π.χ. 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 Αναφορές | Συντονιστής | Συνεργάτες

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 |

Εργαλεία

Περισσότερες πληροφορίες

Κοινά ονόματα
Συνώνυμα
Θηρευτές
Αναπαραγωγή
Γεννητική Ωρίμανση
Γεννοβολία
Γονιμότητα
Αβγά
Egg development
Age/Size
Αύξηση
Length-weight
Length-length
Μορφολογία
Προνύμφες
Αφθονία
Αναφορές
Mass conversion

Διαδικτυακές πηγές

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Δέντρο Ζωής | Wikipedia (Go, αναζήτηση) | 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.