Blue Noddy vs Black-tailed Gull
Anous ceruleus เปรียบเทียบกับ Larus crassirostris
Side-by-Side Comparison
| คุณสมบัติ | Blue Noddy | Black-tailed Gull |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Anous ceruleus | Larus crassirostris |
| อันดับ | Charadriiformes | Charadriiformes |
| วงศ์ตระกูล | Laridae | Laridae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 35.2 cm (13.9 in) | 72.8 cm (28.7 in) |
| น้ำหนัก | 51.85 g (1.83 oz) | 675.0 g (23.81 oz) |
| อาหาร | -- | -- |
| จำนวนไข่ | 1 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
สถานะการอนุรักษ์
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.