Indian Skimmer vs Saunders's Gull
Rynchops albicollis 对比 Saundersilarus saundersi
Side-by-Side Comparison
| 属性 | Indian Skimmer | Saunders's Gull |
|---|---|---|
| 学名 | Rynchops albicollis | Saundersilarus saundersi |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Endangered | Vulnerable |
| 体长 | — | — |
| 翼展 | 74.4 cm (29.3 in) | 54.8 cm (21.6 in) |
| 体重 | 164.0 g (5.78 oz) | 195.0 g (6.88 oz) |
| 食性 | -- | -- |
| 产卵数 | 2-5 | 1-6 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Endangered
Indian Skimmer
Vulnerable
Saunders's Gull
About These Birds
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.
Saunders's Gull
Saunders's Gull, 29–32 cm, is a Vulnerable gull breeding in coastal saltmarshes of China and Korea, wintering along East Asian coasts to Vietnam. Black hood in breeding plumage, white wing-tip mirrors. Feeds on crustaceans and invertebrates in tidal mudflats. Threatened by reclamation of Yellow Sea tidal flats.