Whiskered Tern vs Aleutian Tern
Chlidonias hybrida 比較対象 Onychoprion aleuticus
Side-by-Side Comparison
| 属性 | Whiskered Tern | Aleutian Tern |
|---|---|---|
| 学名 | Chlidonias hybrida | Onychoprion aleuticus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保全状況 | Least Concern | Vulnerable |
| 体長 | — | — |
| 翼開長 | 46.4 cm (18.3 in) | 52.4 cm (20.6 in) |
| 体重 | 84.5 g (2.98 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
Whiskered Tern
Vulnerable
Aleutian Tern
About These Birds
Whiskered Tern
ハジロクロハラアジサシ、23〜25 cm。ヨーロッパ・アフリカ・アジア・オーストラリアで繁殖する湿地アジサシ。繁殖羽：暗灰色の下面・黒い頭頂・赤い嘴。淡水湿地上を飛翔して昆虫を捕食。
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.