Grey Gull vs Saunders's Gull
Larus modestus so với Saundersilarus saundersi
Side-by-Side Comparison
| Thuộc Tính | Grey Gull | Saunders's Gull |
|---|---|---|
| Tên Khoa Học | Larus modestus | Saundersilarus saundersi |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Vulnerable |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 63,6 cm (25.0 in) | 54,8 cm (21.6 in) |
| Khối Lượng | 325,0 g (11.46 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
Grey Gull
Vulnerable
Saunders's Gull
About These Birds
Grey Gull
Grey Gull, 45–48 cm, breeds in the Atacama Desert of Chile, one of the driest places on earth, nesting far from the coast. Uniform grey body, white head in breeding plumage. Each night adults fly 70–100 km to Humboldt Current coast to feed on fish and invertebrates before returning to chicks.
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.