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Forster's Tern
Sterna forsteri
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Least Concern
Chiều Dài Sải Cánh
50,5 cm
Khối Lượng
151,25 g
Họ
Laridae
Bộ
Charadriiformes
Giới Thiệu
Forster's Tern, 33–36 cm, breeds in interior North American marshes and winters along both US coasts and into Mexico. Distinctive frosted silver upperparts and orange-based bill. In non-breeding plumage, shows a black eye-mask. Piscivore; hovers and plunge-dives in coastal bays and lagoons.
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| Chiều Dài Sải Cánh | 50,5 cm | 19.9 in |
| Khối Lượng | 151,25 g | 5.34 oz |
Habitat & Range
Tình Trạng Bảo Tồn
Least Concern
IUCN Red List
Hành Vi & Sinh Sản
Làm Tổ
Nest type: SC. Incubation: 23-26 days.
Số Trứng
2-3
Phân Loại Học
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| Bộ | Charadriiformes (Shorebirds & Gulls) |
| Họ | Laridae (Gulls & Terns) |
| Genus | Sterna |
| Loài | Sterna forsteri |
Distribution
Forster's Tern has been recorded in 5 countries.
{# Distribution Map — simplified SVG world map with highlighted countries. Expects `country_codes` variable: list of ISO alpha-2 codes (e.g. ["US", "CA", "MX"]). Uses Alpine.js to toggle classes on country paths. #}
Hiện Diện
Not recorded
countries highlighted
External Databases
Câu Hỏi Thường Gặp
Is the Forster's Tern endangered?
The Forster's Tern has a conservation status of Least Concern.
How does the Forster's Tern nest?
Nest type: SC. Incubation: 23-26 days.
How big is the Forster's Tern?
The Forster's Tern has a wingspan of 50.5 cm, weight of 151.25 g.
What order and family does the Forster's Tern belong to?
The Forster's Tern (Sterna forsteri) belongs to the order Charadriiformes and the family Laridae.
Similar Birds
Other species in the Laridae family
Black-tailed Gull
Larus crassirostris
Least Concern
Heermann's Gull
Larus heermanni
Near Threatened
Mongolian Gull
Larus mongolicus
Not Evaluated
Yellow-legged Gull
Larus michahellis
Least Concern
Chinese Crested Tern
Thalasseus bernsteini
Critically Endangered
Armenian Gull
Larus armenicus
Least Concern
Great Black-backed Gull
Larus marinus
Least Concern
Mediterranean Gull
Larus melanocephalus
Least Concern