Heermann's Gull vs Sandwich Tern
Larus heermanni 对比 Thalasseus sandvicensis
Side-by-Side Comparison
| 属性 | Heermann's Gull | Sandwich Tern |
|---|---|---|
| 学名 | Larus heermanni | Thalasseus sandvicensis |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Near Threatened | Least Concern |
| 体长 | — | — |
| 翼展 | 67.2 cm (26.5 in) | 57.7 cm (22.7 in) |
| 体重 | 448.26666666666665 g (15.81 oz) | 223.5 g (7.88 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Near Threatened
Heermann's Gull
Least Concern
Sandwich 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。
Sandwich Tern
Sandwich Tern, 36–41 cm, is a widespread coastal tern breeding from Western Europe and the Caspian Sea to the Caribbean. Black cap with shaggy crest, slender black bill with a yellow tip. Plunge-dives forcefully for sand eels and sprats. Strongly migratory; European birds winter to West Africa.