Aleutian Tern vs Chinese Crested Tern
Onychoprion aleuticus 比較対象 Thalasseus bernsteini
Side-by-Side Comparison
| 属性 | Aleutian Tern | Chinese Crested Tern |
|---|---|---|
| 学名 | Onychoprion aleuticus | Thalasseus bernsteini |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保全状況 | Vulnerable | Critically Endangered |
| 体長 | — | — |
| 翼開長 | 52.4 cm (20.6 in) | 63.8 cm (25.1 in) |
| 体重 | 104.88 g (3.70 oz) | 280.0 g (9.88 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1-4 | 1 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Vulnerable
Aleutian Tern
Critically Endangered
Chinese Crested 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.
Chinese Crested Tern
チャイニーズクレステッドアジサシは東アジアの海岸に生息する絶滅危惧種のアジサシです。野生での個体数が非常に少ない希少種です。