Great Black-backed Gull vs Andean Gull
Larus marinus so với Larus serranus
Side-by-Side Comparison
| Thuộc Tính | Great Black-backed Gull | Andean Gull |
|---|---|---|
| Tên Khoa Học | Larus marinus | Larus serranus |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 95,6 cm (37.6 in) | 70,6 cm (27.8 in) |
| Khối Lượng | 1678,3333333333333 g (59.20 oz) | 478,0 g (16.86 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Great Black-backed Gull only
Andean Gull only
Không
Tình Trạng Bảo Tồn
Least Concern
Great Black-backed Gull
Least Concern
Andean Gull
About These Birds
Great Black-backed Gull
Great Black-backed Gull, 61–74 cm, wingspan 142–168 cm, is the world's largest gull, breeding along North Atlantic coasts. Jet-black mantle, white body, massive yellow bill. Dominant predator among seabirds; preys on seabird chicks, puffins, rabbits, as well as scavenging. Partially migratory.
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.