Blue Noddy vs Black-tailed Gull
Anous ceruleus so với Larus crassirostris
Side-by-Side Comparison
| Thuộc Tính | Blue Noddy | Black-tailed Gull |
|---|---|---|
| Tên Khoa Học | Anous ceruleus | Larus crassirostris |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 35,2 cm (13.9 in) | 72,8 cm (28.7 in) |
| Khối Lượng | 51,85 g (1.83 oz) | 675,0 g (23.81 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Blue Noddy
Least Concern
Black-tailed Gull
About These Birds
Blue Noddy
Blue Noddy is a tiny seabird, 25–28 cm, restricted to tropical Pacific atolls including Hawaii and Tuamotu. Pale blue-grey above, whitish below, with a distinctive pale cap. Piscivore; flutters low over lagoons picking prey from the surface. Near Threatened.
Black-tailed Gull
Black-tailed Gull, 44–48 cm, is common on East Asian coasts from Russia to China, Japan, and Korea. Grey mantle, white body, yellow bill with red spot and black subterminal band, yellow legs. Omnivore; very vocal, known as the 'cat gull' for its mewing calls. Migratory; winters south to Vietnam.