Andean Gull vs Arctic Herring Gull
Larus serranus в сравнении с Larus smithsonianus
Side-by-Side Comparison
| Характеристика | Andean Gull | Arctic Herring Gull |
|---|---|---|
| Научное название | Larus serranus | Larus smithsonianus |
| Отряд | Charadriiformes | Charadriiformes |
| Семейство | Laridae | Laridae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 70,6 cm (27.8 in) | 85,9 cm (33.8 in) |
| Масса | 478,0 g (16.86 oz) | 1108,0 g (39.08 oz) |
| Питание | -- | -- |
| Размер кладки | 1-4 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Andean Gull only
Нет
Arctic Herring Gull only
Охранный статус
Least Concern
Andean Gull
Least Concern
Arctic Herring Gull
About These Birds
Andean Gull
Andean Gull, 45–48 cm, breeds at high-altitude Andean lakes from Colombia to Argentina, typically above 3000 m. Black hood in breeding plumage; white below with grey mantle. Largely insectivore, following cattle or foraging at lake edges. Partial altitudinal migrant descending to Pacific and Atlantic coasts in winter.
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.