Brown-headed Gull vs Grey-backed Tern
Larus brunnicephalus so với Onychoprion lunatus
Side-by-Side Comparison
| Thuộc Tính | Brown-headed Gull | Grey-backed Tern |
|---|---|---|
| Tên Khoa Học | Larus brunnicephalus | Onychoprion lunatus |
| 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) | 52,2 cm (20.6 in) |
| Khối Lượng | 584,0 g (20.60 oz) | 126,21666666666665 g (4.45 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-4 | 1 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Brown-headed Gull
Least Concern
Grey-backed 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.
Grey-backed Tern
Grey-backed Tern, 35–37 cm, is a Pacific seabird breeding on islands from Hawaii to Micronesia and Polynesia. Pale grey back distinguishes it from the similar Bridled Tern; white below with black cap. Piscivore; surface-dips and shallow plunge-dives. Largely pelagic when not breeding.