Caspian Gull vs Aleutian Tern
Larus cachinnans 比較対象 Onychoprion aleuticus
Side-by-Side Comparison
| 属性 | Caspian Gull | Aleutian Tern |
|---|---|---|
| 学名 | Larus cachinnans | Onychoprion aleuticus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保全状況 | Least Concern | Vulnerable |
| 体長 | — | — |
| 翼開長 | 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 | -- | -- |
| 一腹卵数 | 1-4 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Caspian Gull
Vulnerable
Aleutian Tern
About These Birds
Caspian Gull
カスピアンガルは黒海からカスピ海にかけて繁殖し、ヨーロッパの沿岸や内陸で越冬する大型のカモメである。
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.