Andean Gull vs Red-legged Kittiwake
Larus serranus เปรียบเทียบกับ Rissa brevirostris
Side-by-Side Comparison
| คุณสมบัติ | Andean Gull | Red-legged Kittiwake |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Larus serranus | Rissa brevirostris |
| อันดับ | Charadriiformes | Charadriiformes |
| วงศ์ตระกูล | Laridae | Laridae |
| สถานะการอนุรักษ์ | Least Concern | Vulnerable |
| ความยาว | — | — |
| กว้างปีก | 70.6 cm (27.8 in) | 60.0 cm (23.6 in) |
| น้ำหนัก | 478.0 g (16.86 oz) | 401.6666666666667 g (14.17 oz) |
| อาหาร | -- | -- |
| จำนวนไข่ | 1-4 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
สถานะการอนุรักษ์
Least Concern
Andean Gull
Vulnerable
Red-legged Kittiwake
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.
Red-legged Kittiwake
Red-legged Kittiwake, 35–39 cm, has a very restricted range on only four Aleutian and Pribilof Island colonies, with a world population under 200,000. Resembles Black-legged Kittiwake but with bright red legs, darker upperparts, and white underwing tips. Pelagic piscivore; Vulnerable and declining.