California Gull vs Saunders's Gull
Larus californicus so với Saundersilarus saundersi
Side-by-Side Comparison
| Thuộc Tính | California Gull | Saunders's Gull |
|---|---|---|
| Tên Khoa Học | Larus californicus | Saundersilarus saundersi |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Vulnerable |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 75,4 cm (29.7 in) | 54,8 cm (21.6 in) |
| Khối Lượng | 717,5 g (25.31 oz) | 195,0 g (6.88 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 2-4 | 1-6 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
California Gull only
Saunders's Gull only
Không
Tình Trạng Bảo Tồn
Least Concern
California Gull
Vulnerable
Saunders's Gull
About These Birds
California Gull
California Gull, 46–55 cm, breeds at inland lakes of western North America and winters on the Pacific coast. Yellow bill with red and black spot, greenish-yellow legs. Omnivore; famous for saving Utah crickets crops in 1848 — commemorated as Utah's state bird. Strongly migratory.
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.