Grey Noddy vs Black-tailed Gull
Anous albivittus เปรียบเทียบกับ Larus crassirostris
Side-by-Side Comparison
| คุณสมบัติ | Grey Noddy | Black-tailed Gull |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Anous albivittus | Larus crassirostris |
| อันดับ | Charadriiformes | Charadriiformes |
| วงศ์ตระกูล | Laridae | Laridae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 40.4 cm (15.9 in) | 72.8 cm (28.7 in) |
| น้ำหนัก | 67.0 g (2.36 oz) | 675.0 g (23.81 oz) |
| อาหาร | -- | -- |
| จำนวนไข่ | 1 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
สถานะการอนุรักษ์
Least Concern
Grey Noddy
Least Concern
Black-tailed Gull
About These Birds
Grey Noddy
Grey Noddy is a small tern-like seabird, 28–32 cm, found across the central and western Pacific on tropical oceanic islands. Pale grey overall with a white crown; nests colonially on ledges. Piscivore, plunge-dives for small fish near reef flats. Pelagic when not breeding.
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.