River Tern
Sterna aurantia
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<birdfyi-bird slug="sterna-aurantia"></birdfyi-bird>The River Tern (Sterna aurantia) is a bird species in the family Laridae (gulls & terns), within the order Charadriiformes (shorebirds & gulls). Recorded measurements include a wingspan of 52.4 cm and a weight of 187.5 g. The IUCN Red List classifies it as Vulnerable.
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关于
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 |
|---|---|---|
| 翼展 | 52.4 cm | 20.6 in |
| 体重 | 187.5 g | 6.61 oz |
Habitat & Range
保护状况
行为与繁殖
筑巢
Nest type: SC. Incubation: 18-19 days.
产卵数
3-4
分类学
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| 目 | Charadriiformes (Shorebirds & Gulls) |
| 科 | Laridae (Gulls & Terns) |
| Genus | Sterna |
| 物种 | Sterna aurantia |
Distribution
River Tern has been recorded in 1 countries.
countries highlighted
External Databases
常见问题
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Similar Birds
Other species in the Laridae family