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River Tern
Sterna aurantia
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Vulnerable
翼開長
52.4 cm
体重
187.5 g
科
Laridae
目
Charadriiformes
について
River Tern, 38–43 cm, is a large freshwater tern of South and Southeast Asia, found along major rivers from Pakistan to Thailand. Yellow-orange bill, grey back, black cap in breeding plumage. Piscivore; plunge-dives into clear river water. Near Threatened due to river sand-mining and disturbance.
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| 翼開長 | 52.4 cm | 20.6 in |
| 体重 | 187.5 g | 6.61 oz |
Habitat & Range
保全状況
Vulnerable
IUCN Red List
行動と繁殖
営巣
Nest type: SC. Incubation: 18-19 days.
一腹卵数
3-4
分類学
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| 目 | Charadriiformes (Shorebirds & Gulls) |
| 科 | Laridae (Gulls & Terns) |
| Genus | Sterna |
| 種 | Sterna aurantia |
Distribution
River Tern has been recorded in 1 countries.
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生息あり
Not recorded
countries highlighted
External Databases
よくある質問
Is the River Tern endangered?
The River Tern has a conservation status of Vulnerable.
How does the River Tern nest?
Nest type: SC. Incubation: 18-19 days.
How big is the River Tern?
The River Tern has a wingspan of 52.4 cm, weight of 187.5 g.
What order and family does the River Tern belong to?
The River Tern (Sterna aurantia) belongs to the order Charadriiformes and the family Laridae.
Similar Birds
Other species in the Laridae family
Brown-headed Gull
Larus brunnicephalus
Least Concern
Saunders's Gull
Saundersilarus saundersi
Vulnerable
Cabot's Tern
Thalasseus acuflavidus
Not Evaluated
West African Crested Tern
Thalasseus albididorsalis
Not Evaluated
Lesser Crested Tern
Thalasseus bengalensis
Least Concern
Chinese Crested Tern
Thalasseus bernsteini
Critically Endangered
Elegant Tern
Thalasseus elegans
Near Threatened
Atlantic White Tern
Gygis alba
Least Concern