Black-tailed Gull vs Heermann's Gull
Larus crassirostris comparado con Larus heermanni
Side-by-Side Comparison
| Atributo | Black-tailed Gull | Heermann's Gull |
|---|---|---|
| Nombre científico | Larus crassirostris | Larus heermanni |
| Orden | Charadriiformes | Charadriiformes |
| Familia | Laridae | Laridae |
| Estado de conservación | Least Concern | Near Threatened |
| Longitud | — | — |
| Envergadura | 72,8 cm (28.7 in) | 67,2 cm (26.5 in) |
| Peso | 675,0 g (23.81 oz) | 448,26666666666665 g (15.81 oz) |
| Dieta | -- | -- |
| Tamaño de la puesta | 2-3 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Estado de conservación
Least Concern
Black-tailed Gull
Near Threatened
Heermann's 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.
Heermann's Gull
La gaviota de Heermann es una gaviota inconfundible del Pacífico mexicano y norteamericano, con cabeza blanca en verano y pico rojo.