Hartlaub's Gull vs Andean Gull
Larus hartlaubii so với Larus serranus
Side-by-Side Comparison
| Thuộc Tính | Hartlaub's Gull | Andean Gull |
|---|---|---|
| Tên Khoa Học | Larus hartlaubii | Larus serranus |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 54,0 cm (21.3 in) | 70,6 cm (27.8 in) |
| Khối Lượng | 287,5 g (10.14 oz) | 478,0 g (16.86 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-5 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Hartlaub's Gull
Least Concern
Andean Gull
About These Birds
Hartlaub's Gull
Hartlaub's Gull, 38–40 cm, is endemic to the Benguela Current coast of Namibia and South Africa. White with grey mantle, dark red bill. Resident; forages on beaches, at harbours, and over cold upwelling waters for fish offal and marine invertebrates. Population stable but range restricted.
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.