Black-tailed Gull vs Damara Tern
Larus crassirostris ile kıyaslandığında Sternula balaenarum
Side-by-Side Comparison
| Özellik | Black-tailed Gull | Damara Tern |
|---|---|---|
| Bilimsel Ad | Larus crassirostris | Sternula balaenarum |
| Takım | Charadriiformes | Charadriiformes |
| Familya | Laridae | Laridae |
| Koruma Durumu | Least Concern | Least Concern |
| Uzunluk | — | — |
| Kanat Açıklığı | 72,8 cm (28.7 in) | 33,9 cm (13.3 in) |
| Ağırlık | 675,0 g (23.81 oz) | 50,675 g (1.79 oz) |
| Beslenme | -- | -- |
| Kuluçka Büyüklüğü | 2-3 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Koruma Durumu
Least Concern
Black-tailed Gull
Least Concern
Damara 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.
Damara Tern
Damara Tern, 22–24 cm, is a Vulnerable tern endemic to the Namibian and South African coast. White below, grey above, with a black cap and yellow bill. Breeds sparsely on Namibian beaches; winters north to Gulf of Guinea. Highly sensitive to coastal development and off-road vehicles.