Advertisement

You can sponsor this page

Gygis alba   (Sparrman, 1786)

White tern
Upload your photos 
Google image |

No photo available for this species.
No drawings available for Laridae.


Norfolk 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. 89276.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/nf.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Holdaway, R.N., T.H. Worthy and A.J.D. Tennyson, 2001
National Database:

Common names from other countries

Classification / Names / Names आम नाम | उपशब्द | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS

> Charadriiformes (Shorebirds) > Laridae ()

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

.   Tropical

वितरण देश | ऐफ ऐ ओ क्षेत्र | Ecosystems | संयोग | भूमिका

Indo-Pacific and Atlantic Ocean

Length at first maturity / आकार / वज़न / Age

Maturity: Lm ?  range ? - ? cm Max length : 33.0 cm TL पुल्लिंग / अलिंग; (Ref. 8812); अधिकतम प्रकाशित वज़न: 160.00 g (Ref. 356)

Short description आकृति विज्ञान

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

जीवविज्ञान     शब्द संग्रह (उदाहरणार्थ 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).

Main reference संदर्भ | संयोजक | सहयोगीयो

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

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 17 August 2022

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Human uses


| FishSource |

साधन

अधिक जानकारी

आम नाम
उपशब्द
परभक्षी
पुनरुत्पत्ति
परिपक्व अवधि
मछलीऔ का अंडे देना
Fecundity
अंडे
Egg development
Age/Size
बाढ़
Length-weight
Length-length
आकृति विज्ञान
लार्वा
बहुतायत
संदर्भ
Mass conversion

इंटरनेट स्रोत

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

Estimates based on models

Preferred temperature (Ref. 115969): 24.2 - 29.3, mean 27.9 (based on 1736 cells).
लौटाव (Ref. 69278) ऊंचा, न्यूनतम जनसंख्या दुगनी समय अवलागत 15 महीने। (K=27.09).
Vulnerability (Ref. 71543): Low vulnerability (23 of 100).
Price category (Ref. 80766): Unknown.