Black-tailed Gull vs Silver Gull
Larus crassirostris verglichen mit Larus novaehollandiae
Side-by-Side Comparison
| Merkmal | Black-tailed Gull | Silver Gull |
|---|---|---|
| Wissenschaftlicher Name | Larus crassirostris | Larus novaehollandiae |
| Ordnung | Charadriiformes | Charadriiformes |
| Familie | Laridae | Laridae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | — |
| Flügelspannweite | 72,8 cm (28.7 in) | 55,5 cm (21.9 in) |
| Gewicht | 675,0 g (23.81 oz) | 285,3333333333333 g (10.06 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 2-3 | 1-5 |
| Population Trend | — | — |
Habitat Comparison
Erhaltungsstatus
Least Concern
Black-tailed Gull
Least Concern
Silver 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.
Silver Gull
Silver Gull, 36–44 cm, is Australia's most familiar gull, present year-round on all coasts and increasingly inland. White body, grey mantle, red bill and legs. Opportunistic omnivore; thrives on human food waste and follows fishing boats. Expanding range inland as irrigation provides new habitat.