Grey Gull vs Aleutian Tern
Larus modestus 对比 Onychoprion aleuticus
Side-by-Side Comparison
| 属性 | Grey Gull | Aleutian Tern |
|---|---|---|
| 学名 | Larus modestus | Onychoprion aleuticus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Least Concern | Vulnerable |
| 体长 | — | — |
| 翼展 | 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 | -- | -- |
| 产卵数 | 1-4 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Grey Gull
Vulnerable
Aleutian Tern
About These Birds
Grey Gull
灰鸥栖息于秘鲁和智利海岸，以全身灰色的单调体色为特征的南美固有鸥类。
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.