Ring-billed Gull vs Andean Gull
Larus delawarensis so với Larus serranus
Side-by-Side Comparison
| Thuộc Tính | Ring-billed Gull | Andean Gull |
|---|---|---|
| Tên Khoa Học | Larus delawarensis | Larus serranus |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 73,2 cm (28.8 in) | 70,6 cm (27.8 in) |
| Khối Lượng | 500,0 g (17.64 oz) | 478,0 g (16.86 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Ring-billed Gull
Least Concern
Andean Gull
About These Birds
Ring-billed Gull
Ring-billed Gull, 43–54 cm, is North America's most abundant gull, breeding on lakes from the Great Plains to the Great Lakes and wintering on all coasts. Adult has a distinctive black ring near bill tip, yellow legs. Omnivore; thrives on garbage, parking lots, and agricultural fields.
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.