Black-tailed Gull vs Sooty Tern
Larus crassirostris เปรียบเทียบกับ Onychoprion fuscatus
Side-by-Side Comparison
| คุณสมบัติ | Black-tailed Gull | Sooty Tern |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Larus crassirostris | Onychoprion fuscatus |
| อันดับ | Charadriiformes | Charadriiformes |
| วงศ์ตระกูล | Laridae | Laridae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 72.8 cm (28.7 in) | 56.1 cm (22.1 in) |
| น้ำหนัก | 675.0 g (23.81 oz) | 183.0 g (6.46 oz) |
| อาหาร | -- | -- |
| จำนวนไข่ | 2-3 | 1 |
| Population Trend | — | — |
Habitat Comparison
สถานะการอนุรักษ์
Least Concern
Black-tailed Gull
Least Concern
Sooty Tern
About These Birds
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.
Sooty Tern
Sooty Tern is a highly pelagic tern, 33–36 cm, wingspan 82–94 cm, breeding pantropically on oceanic islands. Jet-black above, white below, with a white forehead patch. Among the most aerial of birds; rarely lands on water. Piscivore; snaps fish and squid at the surface during mass prey events.