Brown-headed Gull vs Hartlaub's Gull
Larus brunnicephalus so với Larus hartlaubii
Side-by-Side Comparison
| Thuộc Tính | Brown-headed Gull | Hartlaub's Gull |
|---|---|---|
| Tên Khoa Học | Larus brunnicephalus | Larus hartlaubii |
| 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) | 54,0 cm (21.3 in) |
| Khối Lượng | 584,0 g (20.60 oz) | 287,5 g (10.14 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-4 | 1-5 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Brown-headed Gull
Least Concern
Hartlaub's 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.
Hartlaub's Gull
Hartlaub's Gull, 38–40 cm, is endemic to the Benguela Current coast of Namibia and South Africa. White with grey mantle, dark red bill. Resident; forages on beaches, at harbours, and over cold upwelling waters for fish offal and marine invertebrates. Population stable but range restricted.