Black-tailed Gull vs Sooty Tern
Larus crassirostris مقارنةً بـ Onychoprion fuscatus
Side-by-Side Comparison
| السمة | Black-tailed Gull | Sooty Tern |
|---|---|---|
| الاسم العلمي | Larus crassirostris | Onychoprion fuscatus |
| الرتبة | Charadriiformes | Charadriiformes |
| الفصيلة | Laridae | Laridae |
| حالة الحفاظ | Least Concern | Least Concern |
| الطول | — | — |
| طول الجناح | 72,8 cm (28.7 in) | 56,1 cm (22.1 in) |
| الوزن | 675,0 g (23.81 oz) | 183,0 g (6.46 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 2-3 | 1 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
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.