Andean Gull vs Arctic Herring Gull
Larus serranus so với Larus smithsonianus
Side-by-Side Comparison
| Thuộc Tính | Andean Gull | Arctic Herring Gull |
|---|---|---|
| Tên Khoa Học | Larus serranus | Larus smithsonianus |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 70,6 cm (27.8 in) | 85,9 cm (33.8 in) |
| Khối Lượng | 478,0 g (16.86 oz) | 1108,0 g (39.08 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-4 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Andean Gull only
Không
Arctic Herring Gull only
Tình Trạng Bảo Tồn
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.