Swallow-tailed Gull vs Andean Gull
Creagrus furcatus comparado con Larus serranus
Side-by-Side Comparison
| Atributo | Swallow-tailed Gull | Andean Gull |
|---|---|---|
| Nombre científico | Creagrus furcatus | Larus serranus |
| Orden | Charadriiformes | Charadriiformes |
| Familia | Laridae | Laridae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 81,8 cm (32.2 in) | 70,6 cm (27.8 in) |
| Peso | 695,0 g (24.52 oz) | 478,0 g (16.86 oz) |
| Dieta | -- | -- |
| Tamaño de la puesta | 1 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Estado de conservación
Least Concern
Swallow-tailed Gull
Least Concern
Andean Gull
About These Birds
Swallow-tailed Gull
Gaviota tijereta (Creagrus furcatus) — La única gaviota del mundo de hábitos plenamente nocturnos. Cola profundamente ahorquillada. Nidifica en las Islas Galápagos y en Malpelo. En el mar, caza cefalópodos y peces luminiscentes durante la noche.
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.