Heermann's Gull vs South American Tern
Larus heermanni 对比 Sterna hirundinacea
Side-by-Side Comparison
| 属性 | Heermann's Gull | South American Tern |
|---|---|---|
| 学名 | Larus heermanni | Sterna hirundinacea |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Near Threatened | Least Concern |
| 体长 | — | — |
| 翼展 | 67.2 cm (26.5 in) | 59.3 cm (23.3 in) |
| 体重 | 448.26666666666665 g (15.81 oz) | 190.25 g (6.71 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-2 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Near Threatened
Heermann's Gull
Least Concern
South American Tern
About These Birds
Heermann's Gull
赫尔曼鸥在加利福尼亚海岸和下加利福尼亚半岛岛屿繁殖，以暗色体色和红色嘴为特征。
South American Tern
South American Tern, 40–44 cm, is the largest South American tern, breeding from Peru around Cape Horn to southeastern Brazil. Red bill, grey mantle, black cap. Pelagic and coastal piscivore; strong plunge-diver. Movements poorly known; some populations may migrate north along both coasts.