Heermann's Gull vs Yellow-footed Gull
Larus heermanni 对比 Larus livens
Side-by-Side Comparison
| 属性 | Heermann's Gull | Yellow-footed Gull |
|---|---|---|
| 学名 | Larus heermanni | Larus livens |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Near Threatened | Least Concern |
| 体长 | — | — |
| 翼展 | 67.2 cm (26.5 in) | 80.7 cm (31.8 in) |
| 体重 | 448.26666666666665 g (15.81 oz) | 1295.0 g (45.68 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-2 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Near Threatened
Heermann's Gull
Least Concern
Yellow-footed 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。
Yellow-footed Gull
Yellow-footed Gull, 53–58 cm, has a very restricted range — endemic to the Gulf of California with post-breeding dispersal to Salton Sea. Yellow feet (unique among large western gulls), yellow bill with red spot. Piscivore and scavenger; forages on rocky shores. Resident; does not undertake long migrations.