Grey-headed Gull vs Saunders's Gull
Larus cirrocephalus so với Saundersilarus saundersi
Side-by-Side Comparison
| Thuộc Tính | Grey-headed Gull | Saunders's Gull |
|---|---|---|
| Tên Khoa Học | Larus cirrocephalus | Saundersilarus saundersi |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Vulnerable |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 63,8 cm (25.1 in) | 54,8 cm (21.6 in) |
| Khối Lượng | 357,5 g (12.61 oz) | 195,0 g (6.88 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 2-3 | 1-6 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Grey-headed Gull
Vulnerable
Saunders's Gull
About These Birds
Grey-headed Gull
Grey-headed Gull, 39–42 cm, breeds across sub-Saharan Africa and coastal South America. Pale grey hood in breeding plumage, red-orange bill and legs. Omnivore and piscivore; frequents large lakes, rivers, and coasts. Partially migratory, dispersing broadly outside breeding season.
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.