White-winged Tern vs Black-tailed Gull
Chlidonias leucopterus مقارنةً بـ Larus crassirostris
Side-by-Side Comparison
| السمة | White-winged Tern | Black-tailed Gull |
|---|---|---|
| الاسم العلمي | Chlidonias leucopterus | Larus crassirostris |
| الرتبة | Charadriiformes | Charadriiformes |
| الفصيلة | Laridae | Laridae |
| حالة الحفاظ | Least Concern | Least Concern |
| الطول | — | — |
| طول الجناح | 41,6 cm (16.4 in) | 72,8 cm (28.7 in) |
| الوزن | 60,5 g (2.13 oz) | 675,0 g (23.81 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 2-3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
Least Concern
White-winged Tern
Least Concern
Black-tailed Gull
About These Birds
White-winged Tern
White-winged Tern, 20–23 cm, breeds in wetlands from Eastern Europe to Central Asia and winters in sub-Saharan Africa, South Asia, and Australia. Breeding male: jet-black body contrasting with white wings. Insectivore; dips over marshes and rice paddies. Long-distance migrant.
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.