Brown-headed Gull vs Black-headed Gull
Larus brunnicephalus so với Larus ridibundus
Side-by-Side Comparison
| Thuộc Tính | Brown-headed Gull | Black-headed Gull |
|---|---|---|
| Tên Khoa Học | Larus brunnicephalus | Larus ridibundus |
| 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) | 58,2 cm (22.9 in) |
| Khối Lượng | 584,0 g (20.60 oz) | 261,0 g (9.21 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-4 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Brown-headed Gull only
Không
Black-headed Gull only
Tình Trạng Bảo Tồn
Least Concern
Brown-headed Gull
Least Concern
Black-headed 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.
Black-headed Gull
Black-headed Gull, 38–44 cm, is one of Europe's commonest gulls, breeding across the Palearctic on wetlands and coasts. Chocolate-brown (not black) hood in summer, lost in winter leaving dark ear-spot. Omnivore; follows ploughs, scavenges in cities, dips for invertebrates. Migratory.