Franklin's Gull vs Saunders's Gull
Larus pipixcan so với Saundersilarus saundersi
Side-by-Side Comparison
| Thuộc Tính | Franklin's Gull | Saunders's Gull |
|---|---|---|
| Tên Khoa Học | Larus pipixcan | Saundersilarus saundersi |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Vulnerable |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 55,9 cm (22.0 in) | 54,8 cm (21.6 in) |
| Khối Lượng | 279,8333333333333 g (9.87 oz) | 195,0 g (6.88 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-3 | 1-6 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Franklin's Gull only
Saunders's Gull only
Không
Tình Trạng Bảo Tồn
Least Concern
Franklin's Gull
Vulnerable
Saunders's Gull
About These Birds
Franklin's Gull
Franklin's Gull, 32–36 cm, makes one of the longest overland migrations of any gull, breeding on prairie marshes of North America and wintering on Pacific coasts of South America — a journey of 12,000+ km. Rosy-flushed underparts in spring; black hood with distinctive white eye-crescents. Insectivore.
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.