White-winged Tern vs Black-tailed Gull
Chlidonias leucopterus ile kıyaslandığında Larus crassirostris
Side-by-Side Comparison
| Özellik | White-winged Tern | Black-tailed Gull |
|---|---|---|
| Bilimsel Ad | Chlidonias leucopterus | Larus crassirostris |
| Takım | Charadriiformes | Charadriiformes |
| Familya | Laridae | Laridae |
| Koruma Durumu | Least Concern | Least Concern |
| Uzunluk | — | — |
| Kanat Açıklığı | 41,6 cm (16.4 in) | 72,8 cm (28.7 in) |
| Ağırlık | 60,5 g (2.13 oz) | 675,0 g (23.81 oz) |
| Beslenme | -- | -- |
| Kuluçka Büyüklüğü | 2-3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Ortak Yaşam Alanları
Black-tailed Gull only
Hiçbiri
Koruma Durumu
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.