Black-tailed Gull vs Cabot's Tern
Larus crassirostris مقارنةً بـ Thalasseus acuflavidus
Side-by-Side Comparison
| السمة | Black-tailed Gull | Cabot's Tern |
|---|---|---|
| الاسم العلمي | Larus crassirostris | Thalasseus acuflavidus |
| الرتبة | Charadriiformes | Charadriiformes |
| الفصيلة | Laridae | Laridae |
| حالة الحفاظ | Least Concern | Not Evaluated |
| الطول | — | — |
| طول الجناح | 72,8 cm (28.7 in) | — |
| الوزن | 675,0 g (23.81 oz) | 220,25 g (7.77 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 2-3 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
Least Concern
Black-tailed Gull
Not Evaluated
Cabot's 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.
Cabot's Tern
Cabot's Tern, 36–41 cm, closely resembles Sandwich Tern and was recently split; breeds along Atlantic and Gulf coasts of North America, wintering to South America. Black cap, yellow-tipped black bill. Coastal piscivore; plunge-dives in shallow bays and lagoons.