Black Tern vs Black-tailed Gull
Chlidonias niger verglichen mit Larus crassirostris
Side-by-Side Comparison
| Merkmal | Black Tern | Black-tailed Gull |
|---|---|---|
| Wissenschaftlicher Name | Chlidonias niger | Larus crassirostris |
| Ordnung | Charadriiformes | Charadriiformes |
| Familie | Laridae | Laridae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | — |
| Flügelspannweite | 40,3 cm (15.9 in) | 72,8 cm (28.7 in) |
| Gewicht | 73,15 g (2.58 oz) | 675,0 g (23.81 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 2-3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Erhaltungsstatus
Least Concern
Black Tern
Least Concern
Black-tailed Gull
About These Birds
Black Tern
Black Tern, 22–24 cm, breeds on freshwater marshes of North America and Eurasia. Breeding plumage: sooty black body, grey wings. Insectivore and piscivore; buoyant, dipping flight over wetlands. Migratory; winters off West African coasts and in tropical America. Declining in Europe.
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.