Black-tailed Gull vs Arctic Herring Gull
Larus crassirostris dibandingkan dengan Larus smithsonianus
Side-by-Side Comparison
| Atribut | Black-tailed Gull | Arctic Herring Gull |
|---|---|---|
| Nama Ilmiah | Larus crassirostris | Larus smithsonianus |
| Ordo | Charadriiformes | Charadriiformes |
| Famili | Laridae | Laridae |
| Status Konservasi | Least Concern | Least Concern |
| Panjang | — | — |
| Rentang Sayap | 72,8 cm (28.7 in) | 85,9 cm (33.8 in) |
| Berat | 675,0 g (23.81 oz) | 1108,0 g (39.08 oz) |
| Diet | -- | -- |
| Ukuran Sarang | 2-3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Habitat Bersama
Black-tailed Gull only
None
Arctic Herring Gull only
Status Konservasi
Least Concern
Black-tailed Gull
Least Concern
Arctic Herring 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.
Arctic Herring Gull
Arctic Herring Gull, 55–66 cm, breeds across Arctic North America and winters on all coasts of the US. Formerly lumped with European Herring Gull; darker-eyed on average, slightly more northerly range. Omnivore and scavenger; abundant at fishing ports, dumps, and beaches in winter.