Black-tailed Gull vs Common Tern
Larus crassirostris ile kıyaslandığında Sterna hirundo
Side-by-Side Comparison
| Özellik | Black-tailed Gull | Common Tern |
|---|---|---|
| Bilimsel Ad | Larus crassirostris | Sterna hirundo |
| Takım | Charadriiformes | Charadriiformes |
| Familya | Laridae | Laridae |
| Koruma Durumu | Least Concern | Least Concern |
| Uzunluk | — | — |
| Kanat Açıklığı | 72,8 cm (28.7 in) | 50,7 cm (20.0 in) |
| Ağırlık | 675,0 g (23.81 oz) | 125,75 g (4.44 oz) |
| Beslenme | -- | -- |
| Kuluçka Büyüklüğü | 2-3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Ortak Yaşam Alanları
Black-tailed Gull only
Hiçbiri
Common Tern only
Koruma Durumu
Least Concern
Black-tailed Gull
Least Concern
Common 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.
Common Tern
Common Tern, 31–35 cm, wingspan 77–98 cm, is among the most widespread seabirds, breeding across the Holarctic and wintering in the Southern Hemisphere. Grey back, white below, orange-red bill with dark tip, black cap. Plunge-dives for fish. One of the longest-distance migrants in the Northern Hemisphere.