Andean Gull vs Ivory Gull
Larus serranus เปรียบเทียบกับ Pagophila eburnea
Side-by-Side Comparison
| คุณสมบัติ | Andean Gull | Ivory Gull |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Larus serranus | Pagophila eburnea |
| อันดับ | Charadriiformes | Charadriiformes |
| วงศ์ตระกูล | Laridae | Laridae |
| สถานะการอนุรักษ์ | Least Concern | Near Threatened |
| ความยาว | — | — |
| กว้างปีก | 70.6 cm (27.8 in) | 66.7 cm (26.3 in) |
| น้ำหนัก | 478.0 g (16.86 oz) | 578.3333333333334 g (20.40 oz) |
| อาหาร | -- | -- |
| จำนวนไข่ | 1-4 | 2 |
| Population Trend | — | — |
Habitat Comparison
สถานะการอนุรักษ์
Least Concern
Andean Gull
Near Threatened
Ivory 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.
Ivory Gull
Ivory Gull, 40–43 cm, is entirely white with black legs, breeding only on High Arctic ice caps and cliffs in Canada, Greenland, Svalbard, and Russia. Winters at sea ice edges in the High Arctic. Scavenges on marine mammal carcasses and sea ice invertebrates. Near Threatened; climate-sensitive.