Black-tailed Gull vs Arctic Herring Gull
Larus crassirostris comparado com Larus smithsonianus
Side-by-Side Comparison
| Atributo | Black-tailed Gull | Arctic Herring Gull |
|---|---|---|
| Nome científico | Larus crassirostris | Larus smithsonianus |
| Ordem | Charadriiformes | Charadriiformes |
| Família | Laridae | Laridae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 72,8 cm (28.7 in) | 85,9 cm (33.8 in) |
| Peso | 675,0 g (23.81 oz) | 1108,0 g (39.08 oz) |
| Dieta | -- | -- |
| Tamanho da postura | 2-3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
Black-tailed Gull only
Nenhum
Arctic Herring Gull only
Estado de conservação
Least Concern
Black-tailed Gull
Least Concern
Arctic Herring Gull
About These Birds
Black-tailed Gull
A gaivota-de-bico-grosso é uma gaivota do leste da Ásia com bico robusto e marcação vermelha e preta, encontrada em costas e estuários do leste da Ásia.
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.