Andean Gull vs Indian Skimmer
Larus serranus เปรียบเทียบกับ Rynchops albicollis
Side-by-Side Comparison
| คุณสมบัติ | Andean Gull | Indian Skimmer |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Larus serranus | Rynchops albicollis |
| อันดับ | Charadriiformes | Charadriiformes |
| วงศ์ตระกูล | Laridae | Laridae |
| สถานะการอนุรักษ์ | Least Concern | Endangered |
| ความยาว | — | — |
| กว้างปีก | 70.6 cm (27.8 in) | 74.4 cm (29.3 in) |
| น้ำหนัก | 478.0 g (16.86 oz) | 164.0 g (5.78 oz) |
| อาหาร | -- | -- |
| จำนวนไข่ | 1-4 | 2-5 |
| Population Trend | — | — |
Habitat Comparison
สถานะการอนุรักษ์
Least Concern
Andean Gull
Endangered
Indian Skimmer
About These Birds
Andean Gull
Andean Gull, 45–48 cm, breeds at high-altitude Andean lakes from Colombia to Argentina, typically above 3000 m. Black hood in breeding plumage; white below with grey mantle. Largely insectivore, following cattle or foraging at lake edges. Partial altitudinal migrant descending to Pacific and Atlantic coasts in winter.
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.