Aleutian Tern vs Elegant Tern
Onychoprion aleuticus 比較対象 Thalasseus elegans
Side-by-Side Comparison
| 属性 | Aleutian Tern | Elegant Tern |
|---|---|---|
| 学名 | Onychoprion aleuticus | Thalasseus elegans |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保全状況 | Vulnerable | Near Threatened |
| 体長 | — | — |
| 翼開長 | 52.4 cm (20.6 in) | 59.3 cm (23.3 in) |
| 体重 | 104.88 g (3.70 oz) | 236.16666666666666 g (8.33 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1-4 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Vulnerable
Aleutian Tern
Near Threatened
Elegant Tern
About These Birds
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.
Elegant Tern
エレガントアジサシは太平洋東部の海岸で繁殖するアジサシの一種です。細長い橙赤色の嘴と黒い冠羽が特徴的です。