Franklin's Gull vs Aleutian Tern
Larus pipixcan 对比 Onychoprion aleuticus
Side-by-Side Comparison
| 属性 | Franklin's Gull | Aleutian Tern |
|---|---|---|
| 学名 | Larus pipixcan | Onychoprion aleuticus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Least Concern | Vulnerable |
| 体长 | — | — |
| 翼展 | 55.9 cm (22.0 in) | 52.4 cm (20.6 in) |
| 体重 | 279.8333333333333 g (9.87 oz) | 104.88 g (3.70 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Franklin's Gull
Vulnerable
Aleutian Tern
About These Birds
Franklin's Gull
富兰克林鸥在北美大平原繁殖，在南美洲海岸越冬的长距离迁徙鸥类。
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.