White-winged Tern vs Aleutian Tern
Chlidonias leucopterus 对比 Onychoprion aleuticus
Side-by-Side Comparison
| 属性 | White-winged Tern | Aleutian Tern |
|---|---|---|
| 学名 | Chlidonias leucopterus | Onychoprion aleuticus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Least Concern | Vulnerable |
| 体长 | — | — |
| 翼展 | 41.6 cm (16.4 in) | 52.4 cm (20.6 in) |
| 体重 | 60.5 g (2.13 oz) | 104.88 g (3.70 oz) |
| 食性 | -- | -- |
| 产卵数 | 2-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
White-winged Tern
Vulnerable
Aleutian Tern
About These Birds
White-winged Tern
白翅浮鸥 (Chlidonias leucopterus)，体长约20–24厘米。繁殖期头体黑色，翅膀和尾部白色，形成醒目的黑白对比；冬羽头部和下体白色，上体灰色。繁殖于欧亚大陆湿地，冬季迁至非洲和东南亚。以水生昆虫和小型鱼类为食。
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.