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Gygis alba, White tern
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Gygis alba   (Sparrman, 1786)

White tern
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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

Gaviotín albo, ... more

Classification / Names / Names 俗名 | 同種異名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS

Aves > Charadriiformes (Shorebirds) > Laridae ()

Environment: milieu / climate zone / depth range / distribution range 生態學

.   

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | 簡介

Indo-Pacific and Atlantic Ocean

Length at first maturity / 大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm Max length : 33.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 8812); 最大體重: 160.00 g (Ref. 356)

簡短描述 型態特徵

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

生物學特性     字彙 (例如 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).

主要參考資料 參考文獻 | 合作者 | 合作者

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

IUCN 瀕危狀態 (Ref. 130435)

  無危 (LC) ; Date assessed: 17 August 2022

CITES狀態 (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人類使用


| FishSource |

工具

E-book | 野外調查

更多資訊

國家
FAO區域
生態系
發現紀錄
簡介
Stocks
生態學
食性
食物相
俗名
同種異名
捕食者
繁殖
成熟度
產卵場
孕卵數
卵
卵發育
年龄/大小
成長
長度-重量
長度-長度
型態特徵
仔魚
豐度
參考文獻
Mass conversion
合作者
照片

網路資源

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | GenBank (基因組, 核甘) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | 樹狀分類階層 | Wikipedia (去, 搜尋) | 動物學的記錄

Estimates based on models

Preferred temperature (Ref. 115969): 24.2 - 29.3, mean 27.9 (based on 1736 cells).
回復力 (Ref. 69278) 高度, 族群倍增時間少於 15個月 (K=27.09).
瀕危性 (Ref. 71543): Low vulnerability (23 of 100).
價格種類 (Ref. 80766): Unknown.