Brown-headed Gull vs Black-naped Tern
Larus brunnicephalus so với Sterna sumatrana
Side-by-Side Comparison
| Thuộc Tính | Brown-headed Gull | Black-naped Tern |
|---|---|---|
| Tên Khoa Học | Larus brunnicephalus | Sterna sumatrana |
| 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) | 43,1 cm (17.0 in) |
| Khối Lượng | 584,0 g (20.60 oz) | 103,75 g (3.66 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-4 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Brown-headed Gull
Least Concern
Black-naped Tern
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-naped Tern
Black-naped Tern, 30–32 cm, breeds on tropical Indo-Pacific coral islands from the Maldives to Polynesia. White overall with a narrow black nape band connecting the black lores — a delicate, elegant pattern. Piscivore; surface-dips and shallow dives in clear tropical waters over reefs.