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Gygis alba   (Sparrman, 1786)

white tern

Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Gygis alba   AquaMaps   Data sources: GBIF OBIS
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Classification Common names | Synonyms | CoL | ITIS | WoRMS

Aves | Ciconiiformes | Laridae

Main reference References | Biblio | Coordinator | Collaborators

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

Size / Weight / Age

Max length : 33.0 cm TL male/unsexed; (Ref. 8812); max. published weight: 160.00 g (Ref. 356)

Environment

Others

Climate / Range

Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Atlantic Ocean and Indo-Pacific. Gygis alba candida: Polynesia along the Australian coasts northwards to Torres Straits and Malay Archipelago to India (Ref. 89295).

Short description

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

Biology     Glossary (e.g. 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). Feeds mainly on fish (Ref. 81748).

IUCN Red List Status (Ref. 114614)

CITES status (Ref. 94142)

Not Evaluated

Threat to humans

Human uses


| FisheriesWiki |

More information

Common names
Synonyms
Predators
Reproduction
Maturity
Spawning
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Morphology
Larvae
Abundance
References
Mass conversion

Internet sources

BHL | BOLD Systems | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | FAO(Publication : search) | GenBank (genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | ispecies | PubMed | Scirus | FishBase | Tree of Life | uBio | uBio RSS | Wikipedia (Go, Search) | Zoological Record

Estimation of some characteristics with mathematical models

Vulnerability (Ref. 71543)
Low vulnerability (23 of 100)
Price category (Ref. 80766)
Unknown