Little Gull vs Aleutian Tern
Hydrocoloeus minutus 对比 Onychoprion aleuticus
Side-by-Side Comparison
| 属性 | Little Gull | Aleutian Tern |
|---|---|---|
| 学名 | Hydrocoloeus minutus | Onychoprion aleuticus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Least Concern | Vulnerable |
| 体长 | — | — |
| 翼展 | 43.8 cm (17.2 in) | 52.4 cm (20.6 in) |
| 体重 | 114.08333333333333 g (4.02 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
Little Gull
Vulnerable
Aleutian Tern
About These Birds
Little Gull
小鸥（约100克）是世界上体型最小的鸥类，翼展约60厘米。繁殖于北欧至西西伯利亚的内陆湿地，在地中海和黑海沿岸越冬。以空中昆虫和小型鱼类为食。无危；种群数量相对较小，但在适宜生境中较为稳定。
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.