Black-tailed Gull vs Bridled Tern
Larus crassirostris مقارنةً بـ Onychoprion anaethetus
Side-by-Side Comparison
| السمة | Black-tailed Gull | Bridled Tern |
|---|---|---|
| الاسم العلمي | Larus crassirostris | Onychoprion anaethetus |
| الرتبة | Charadriiformes | Charadriiformes |
| الفصيلة | Laridae | Laridae |
| حالة الحفاظ | Least Concern | Least Concern |
| الطول | — | — |
| طول الجناح | 72,8 cm (28.7 in) | 54,7 cm (21.5 in) |
| الوزن | 675,0 g (23.81 oz) | 129,13333333333333 g (4.56 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 2-3 | 1 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
Least Concern
Black-tailed Gull
Least Concern
Bridled 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.
Bridled Tern
Bridled Tern, 30–32 cm, breeds on tropical islands across the Indo-Pacific and Atlantic. Dark brownish-black above with a white forehead stripe extending behind the eye — the diagnostic 'bridle'. Pelagic outside breeding; piscivore, takes fish and squid at the surface.