Black-tailed Gull vs Black-headed Gull
Larus crassirostris comparé à Larus ridibundus
Side-by-Side Comparison
| Attribut | Black-tailed Gull | Black-headed Gull |
|---|---|---|
| Nom scientifique | Larus crassirostris | Larus ridibundus |
| Ordre | Charadriiformes | Charadriiformes |
| Famille | Laridae | Laridae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | — |
| Envergure | 72,8 cm (28.7 in) | 58,2 cm (22.9 in) |
| Poids | 675,0 g (23.81 oz) | 261,0 g (9.21 oz) |
| Régime alimentaire | -- | -- |
| Taille de la couvée | 2-3 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Habitats partagés
Black-tailed Gull only
Aucun(e)
Black-headed Gull only
Statut de conservation
Least Concern
Black-tailed Gull
Least Concern
Black-headed 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.
Black-headed Gull
Black-headed Gull, 38–44 cm, is one of Europe's commonest gulls, breeding across the Palearctic on wetlands and coasts. Chocolate-brown (not black) hood in summer, lost in winter leaving dark ear-spot. Omnivore; follows ploughs, scavenges in cities, dips for invertebrates. Migratory.