Brown-headed Gull vs Ring-billed Gull
Larus brunnicephalus so với Larus delawarensis
Side-by-Side Comparison
| Thuộc Tính | Brown-headed Gull | Ring-billed Gull |
|---|---|---|
| Tên Khoa Học | Larus brunnicephalus | Larus delawarensis |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 66,8 cm (26.3 in) | 73,2 cm (28.8 in) |
| Khối Lượng | 584,0 g (20.60 oz) | 500,0 g (17.64 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-4 | 3 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Brown-headed Gull
Least Concern
Ring-billed Gull
About These Birds
Brown-headed Gull
Brown-headed Gull, 41–46 cm, breeds at high-altitude Tibetan lakes and Central Asian wetlands, wintering on coasts from India to Southeast Asia. Brown hood in breeding plumage; white wing mirrors. Piscivore and invertivore; follows fishing activity in coastal bays.
Ring-billed Gull
Ring-billed Gull, 43–54 cm, is North America's most abundant gull, breeding on lakes from the Great Plains to the Great Lakes and wintering on all coasts. Adult has a distinctive black ring near bill tip, yellow legs. Omnivore; thrives on garbage, parking lots, and agricultural fields.