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Forster's Tern
Sterna forsteri
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Least Concern
翼開長
50.5 cm
体重
151.25 g
科
Laridae
目
Charadriiformes
について
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 |
|---|---|---|
| 翼開長 | 50.5 cm | 19.9 in |
| 体重 | 151.25 g | 5.34 oz |
Habitat & Range
保全状況
Least Concern
IUCN Red List
行動と繁殖
営巣
Nest type: SC. Incubation: 23-26 days.
一腹卵数
2-3
分類学
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| 目 | Charadriiformes (Shorebirds & Gulls) |
| 科 | Laridae (Gulls & Terns) |
| Genus | Sterna |
| 種 | Sterna forsteri |
Distribution
Forster's Tern has been recorded in 5 countries.
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生息あり
Not recorded
countries highlighted
External Databases
よくある質問
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