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Gygis alba   (Sparrman, 1786)

White tern
Hochladen Photos 
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No photo available for this species.
No drawings available for Laridae.


Australia 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: Species spends non-breeding period in the northwestern Coral Sea between New Guinea Archipelago to the north and northern Queensland to the west. Species flight path predominantly covers eastern Australia to Tasman sea (Ref. 127996).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/as.html
National Fisheries Authority: http://www.csiro.au/
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

.   Tropical

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Einführungen

Indo-Pacific and Atlantic Ocean

Length at first maturity / Size / Gewicht / Alter

Maturity: Lm ?  range ? - ? cm Max length : 33.0 cm TL Männchen/unbestimmt; (Ref. 8812); max. veröff. Gewicht: 160.00 g (Ref. 356)

Kurzbeschreibung Morphologie

Culmen: 3.2 cm; tarsus: 1.44 cm; wing: 25.2 cm.

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

Total Length: 28 to 33 cm; Wingspan: 70 to 87 cm (Ref. 8812). Coastal (Ref. 356). Exclusively marine. Breeds at many tropical and subtropical oceanic islands (Ref. 91362). Solitary breeder; uniquely, lays a single egg on tree branch without any nest. Inquisitive; hovers around nest site in presence of human intruders (Ref. 91362). Exhibits dipping behavior (Ref. 356) or surface diving (Ref. 122680). Feeds mainly on fish (Refs. 81748, 122680) driven to the surface by large, predatory fish (Ref. 122680). Diet consists mostly of juvenile goatfish and flying fish (Ref. 122680).

Hauptreferenz Referenzen | Koordinator | Partner

Stiles, F.G. 1984. (Ref. 5856)

IUCN Rote Liste Status (Ref. 130435)

  nicht bedroht (LC) ; Date assessed: 17 August 2022

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): 24.2 - 29.3, mean 27.9 (based on 1736 cells).
Widerstandsfähigkeit (Ref. 69278) hoch, Verdopplung der Population dauert weniger als 15 Monate. (K=27.09).
Verwundbarkeit (Ref. 71543): Low vulnerability (23 of 100).
Preiskategorie (Ref. 80766): Unknown.