Heermann's Gull vs Sabine's Gull
Larus heermanni 对比 Xema sabini
Side-by-Side Comparison
| 属性 | Heermann's Gull | Sabine's Gull |
|---|---|---|
| 学名 | Larus heermanni | Xema sabini |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Near Threatened | Least Concern |
| 体长 | — | — |
| 翼展 | 67.2 cm (26.5 in) | 53.0 cm (20.9 in) |
| 体重 | 448.26666666666665 g (15.81 oz) | 182.16666666666666 g (6.43 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
Sabine's Gull
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。
Sabine's Gull
Sabine's Gull, 27–32 cm, is an elegant small gull breeding in Arctic tundra and wintering in the Humboldt and Benguela Current upwellings. Striking tricoloured wing pattern — dark primaries, grey secondaries, white inner wing. Long-distance migrant; crosses equator twice annually. Planktivore and piscivore.