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River Tern
Sterna aurantia
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Vulnerable
Chiều Dài Sải Cánh
52,4 cm
Khối Lượng
187,5 g
Họ
Laridae
Bộ
Charadriiformes
Giới Thiệu
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 |
|---|---|---|
| Chiều Dài Sải Cánh | 52,4 cm | 20.6 in |
| Khối Lượng | 187,5 g | 6.61 oz |
Habitat & Range
Tình Trạng Bảo Tồn
Vulnerable
IUCN Red List
Hành Vi & Sinh Sản
Làm Tổ
Nest type: SC. Incubation: 18-19 days.
Số Trứng
3-4
Phân Loại Học
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| Bộ | Charadriiformes (Shorebirds & Gulls) |
| Họ | Laridae (Gulls & Terns) |
| Genus | Sterna |
| Loài | Sterna aurantia |
Distribution
River Tern has been recorded in 1 countries.
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Hiện Diện
Not recorded
countries highlighted
External Databases
Câu Hỏi Thường Gặp
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