Belcher's Gull vs Andean Gull
Larus belcheri comparé à Larus serranus
Side-by-Side Comparison
| Attribut | Belcher's Gull | Andean Gull |
|---|---|---|
| Nom scientifique | Larus belcheri | Larus serranus |
| Ordre | Charadriiformes | Charadriiformes |
| Famille | Laridae | Laridae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | — |
| Envergure | 73,0 cm (28.7 in) | 70,6 cm (27.8 in) |
| Poids | 642,5 g (22.66 oz) | 478,0 g (16.86 oz) |
| Régime alimentaire | -- | -- |
| Taille de la couvée | 1-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Statut de conservation
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.