Heermann's Gull vs Indian Skimmer
Larus heermanni 对比 Rynchops albicollis
Side-by-Side Comparison
| 属性 | Heermann's Gull | Indian Skimmer |
|---|---|---|
| 学名 | Larus heermanni | Rynchops albicollis |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Near Threatened | Endangered |
| 体长 | — | — |
| 翼展 | 67.2 cm (26.5 in) | 74.4 cm (29.3 in) |
| 体重 | 448.26666666666665 g (15.81 oz) | 164.0 g (5.78 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-2 | 2-5 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Near Threatened
Heermann's Gull
Endangered
Indian Skimmer
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。
Indian Skimmer
Indian Skimmer: 38–43 cm, black-and-white skimmer with an orange-and-yellow bill and white collar. Resident on large sandy rivers of the Indian subcontinent. VU. Feeds by skimming river surface with protruding lower mandible to catch fish. Severely threatened by sand-mining, dam building, and human disturbance at nesting colonies.