Andean Gull vs Saunders's Gull
Larus serranus so với Saundersilarus saundersi
Side-by-Side Comparison
| Thuộc Tính | Andean Gull | Saunders's Gull |
|---|---|---|
| Tên Khoa Học | Larus serranus | Saundersilarus saundersi |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Vulnerable |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 70,6 cm (27.8 in) | 54,8 cm (21.6 in) |
| Khối Lượng | 478,0 g (16.86 oz) | 195,0 g (6.88 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-4 | 1-6 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Andean Gull
Vulnerable
Saunders's Gull
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.
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.