Andean Gull vs Yellow-billed Tern
Larus serranus verglichen mit Sternula superciliaris
Side-by-Side Comparison
| Merkmal | Andean Gull | Yellow-billed Tern |
|---|---|---|
| Wissenschaftlicher Name | Larus serranus | Sternula superciliaris |
| Ordnung | Charadriiformes | Charadriiformes |
| Familie | Laridae | Laridae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | — |
| Flügelspannweite | 70,6 cm (27.8 in) | 33,8 cm (13.3 in) |
| Gewicht | 478,0 g (16.86 oz) | 47,800000000000004 g (1.69 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 1-4 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Erhaltungsstatus
Least Concern
Andean Gull
Least Concern
Yellow-billed Tern
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.
Yellow-billed Tern
Yellow-billed Tern, 22–24 cm, is a freshwater tern of the Amazon and Orinoco river systems in South America. Yellow bill and legs, grey back, black cap. Piscivore; hovers over rivers and lakes, diving for small fish. Resident year-round along major tropical waterways.