Belcher's Gull vs Andean Gull
Larus belcheri verglichen mit Larus serranus
Side-by-Side Comparison
| Merkmal | Belcher's Gull | Andean Gull |
|---|---|---|
| Wissenschaftlicher Name | Larus belcheri | Larus serranus |
| Ordnung | Charadriiformes | Charadriiformes |
| Familie | Laridae | Laridae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | — |
| Flügelspannweite | 73,0 cm (28.7 in) | 70,6 cm (27.8 in) |
| Gewicht | 642,5 g (22.66 oz) | 478,0 g (16.86 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 1-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Erhaltungsstatus
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.