Belcher's Gull vs Andean Gull
Larus belcheri เปรียบเทียบกับ Larus serranus
Side-by-Side Comparison
| คุณสมบัติ | Belcher's Gull | Andean Gull |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Larus belcheri | Larus serranus |
| อันดับ | Charadriiformes | Charadriiformes |
| วงศ์ตระกูล | Laridae | Laridae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 73.0 cm (28.7 in) | 70.6 cm (27.8 in) |
| น้ำหนัก | 642.5 g (22.66 oz) | 478.0 g (16.86 oz) |
| อาหาร | -- | -- |
| จำนวนไข่ | 1-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
สถานะการอนุรักษ์
Least Concern
Belcher's Gull
Least Concern
Andean Gull
About These Birds
Belcher's Gull
Belcher's Gull, 49–52 cm, is endemic to the Humboldt Current coast of Peru and northern Chile. Black mantle, white body, yellow bill with red and black band. Piscivore and scavenger; closely associated with fishing ports and anchovy-rich upwelling waters. Resident along its narrow coastal range.
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.