Grey Gull vs Aleutian Tern
Larus modestus 比較対象 Onychoprion aleuticus
Side-by-Side Comparison
| 属性 | Grey Gull | Aleutian Tern |
|---|---|---|
| 学名 | Larus modestus | Onychoprion aleuticus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保全状況 | Least Concern | Vulnerable |
| 体長 | — | — |
| 翼開長 | 63.6 cm (25.0 in) | 52.4 cm (20.6 in) |
| 体重 | 325.0 g (11.46 oz) | 104.88 g (3.70 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1-4 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Grey Gull
Vulnerable
Aleutian Tern
About These Birds
Grey Gull
グレイガルはペルーとチリの沿岸に生息し、全身灰色の単調な体色が特徴的な南アメリカ固有のカモメである。
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.