Glaucous Gull vs Aleutian Tern
Larus hyperboreus 比較対象 Onychoprion aleuticus
Side-by-Side Comparison
| 属性 | Glaucous Gull | Aleutian Tern |
|---|---|---|
| 学名 | Larus hyperboreus | Onychoprion aleuticus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保全状況 | Least Concern | Vulnerable |
| 体長 | — | — |
| 翼開長 | 92.6 cm (36.5 in) | 52.4 cm (20.6 in) |
| 体重 | 1933.3333333333333 g (68.20 oz) | 104.88 g (3.70 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 2-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Glaucous Gull
Vulnerable
Aleutian Tern
About These Birds
Glaucous Gull
シロカモメは北極圏全域に繁殖し、冬季に中緯度の沿岸に移動する全身白色に近い最大級のカモメである。
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.