Andean Gull vs Saunders's Gull
Larus serranus verglichen mit Saundersilarus saundersi
Side-by-Side Comparison
| Merkmal | Andean Gull | Saunders's Gull |
|---|---|---|
| Wissenschaftlicher Name | Larus serranus | Saundersilarus saundersi |
| Ordnung | Charadriiformes | Charadriiformes |
| Familie | Laridae | Laridae |
| Erhaltungsstatus | Least Concern | Vulnerable |
| Länge | — | — |
| Flügelspannweite | 70,6 cm (27.8 in) | 54,8 cm (21.6 in) |
| Gewicht | 478,0 g (16.86 oz) | 195,0 g (6.88 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 1-4 | 1-6 |
| Population Trend | — | — |
Habitat Comparison
Erhaltungsstatus
Least Concern
Andean Gull
Vulnerable
Saunders's 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.
Saunders's Gull
Saunders's Gull, 29–32 cm, is a Vulnerable gull breeding in coastal saltmarshes of China and Korea, wintering along East Asian coasts to Vietnam. Black hood in breeding plumage, white wing-tip mirrors. Feeds on crustaceans and invertebrates in tidal mudflats. Threatened by reclamation of Yellow Sea tidal flats.