Olrog's Gull vs Aleutian Tern
Larus atlanticus 比較対象 Onychoprion aleuticus
Side-by-Side Comparison
| 属性 | Olrog's Gull | Aleutian Tern |
|---|---|---|
| 学名 | Larus atlanticus | Onychoprion aleuticus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保全状況 | Near Threatened | Vulnerable |
| 体長 | — | — |
| 翼開長 | 78.3 cm (30.8 in) | 52.4 cm (20.6 in) |
| 体重 | 850.0 g (29.98 oz) | 104.88 g (3.70 oz) |
| 食性 | -- | -- |
| 一腹卵数 | -- | 1-4 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Near Threatened
Olrog's Gull
Vulnerable
Aleutian Tern
About These Birds
Olrog's Gull
オランダーカモメは南大西洋のアルゼンチン沿岸に繁殖し、ベルチャーカモメに似た近縁種のカモメである。
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.