Caspian Gull vs Aleutian Tern
Larus cachinnans 对比 Onychoprion aleuticus
Side-by-Side Comparison
| 属性 | Caspian Gull | Aleutian Tern |
|---|---|---|
| 学名 | Larus cachinnans | Onychoprion aleuticus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Least Concern | Vulnerable |
| 体长 | — | — |
| 翼展 | 85.4 cm (33.6 in) | 52.4 cm (20.6 in) |
| 体重 | 1090.0 g (38.45 oz) | 104.88 g (3.70 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-4 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Caspian Gull
Vulnerable
Aleutian Tern
About These Birds
Caspian Gull
里海鸥在黑海至里海繁殖，在欧洲海岸和内陆越冬的大型鸥类。
Aleutian Tern
Aleutian Tern, 32–34 cm, breeds colonially in Alaska and Russian Far East, wintering in Southeast Asian waters — one of the most poorly tracked migrations among seabirds. Dark grey above, white below, black cap with white forehead. Piscivore; dives for small fish. Near Threatened.