Glaucous-winged Gull vs Andean Gull
Larus glaucescens เปรียบเทียบกับ Larus serranus
Side-by-Side Comparison
| คุณสมบัติ | Glaucous-winged Gull | Andean Gull |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Larus glaucescens | Larus serranus |
| อันดับ | Charadriiformes | Charadriiformes |
| วงศ์ตระกูล | Laridae | Laridae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 82.4 cm (32.4 in) | 70.6 cm (27.8 in) |
| น้ำหนัก | 1095.0166666666667 g (38.63 oz) | 478.0 g (16.86 oz) |
| อาหาร | -- | -- |
| จำนวนไข่ | 1-6 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
สถานะการอนุรักษ์
Least Concern
Glaucous-winged Gull
Least Concern
Andean Gull
About These Birds
Glaucous-winged Gull
Glaucous-winged Gull, 56–68 cm, is the common large gull of the North Pacific from Alaska to California. Distinctive pale grey wing tips (not black) give a uniform grey appearance. Omnivore; forages on rocky shores and at harbours. Hybridises with Western, Herring, and Glaucous Gulls.
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.