Heermann's Gull vs Little Tern
Larus heermanni 对比 Sternula albifrons
Side-by-Side Comparison
| 属性 | Heermann's Gull | Little Tern |
|---|---|---|
| 学名 | Larus heermanni | Sternula albifrons |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Near Threatened | Least Concern |
| 体长 | — | — |
| 翼展 | 67.2 cm (26.5 in) | 33.9 cm (13.3 in) |
| 体重 | 448.26666666666665 g (15.81 oz) | 55.0 g (1.94 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-2 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Near Threatened
Heermann's Gull
Least Concern
Little 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。
Little Tern
Little Tern is one of the world's smallest terns, 21–25 cm, breeding along coastlines and rivers across Europe, Asia, Africa, and Australia. White below, grey above, with a yellow bill tipped black and a white forehead patch. Hovers and plunge-dives for small fish. Migratory; winters in tropical coasts.