Black-tailed Gull vs Ring-billed Gull
Larus crassirostris comparado con Larus delawarensis
Side-by-Side Comparison
| Atributo | Black-tailed Gull | Ring-billed Gull |
|---|---|---|
| Nombre científico | Larus crassirostris | Larus delawarensis |
| Orden | Charadriiformes | Charadriiformes |
| Familia | Laridae | Laridae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 72,8 cm (28.7 in) | 73,2 cm (28.8 in) |
| Peso | 675,0 g (23.81 oz) | 500,0 g (17.64 oz) |
| Dieta | -- | -- |
| Tamaño de la puesta | 2-3 | 3 |
| Population Trend | — | — |
Habitat Comparison
Estado de conservación
Least Concern
Black-tailed Gull
Least Concern
Ring-billed Gull
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.
Ring-billed Gull
La gaviota de Delaware es una gaviota norteamericana muy común que habita en costas, lagos y ríos en toda América del Norte.