Swallow-tailed Gull vs Saunders's Gull
Creagrus furcatus comparado con Saundersilarus saundersi
Side-by-Side Comparison
| Atributo | Swallow-tailed Gull | Saunders's Gull |
|---|---|---|
| Nombre científico | Creagrus furcatus | Saundersilarus saundersi |
| Orden | Charadriiformes | Charadriiformes |
| Familia | Laridae | Laridae |
| Estado de conservación | Least Concern | Vulnerable |
| Longitud | — | — |
| Envergadura | 81,8 cm (32.2 in) | 54,8 cm (21.6 in) |
| Peso | 695,0 g (24.52 oz) | 195,0 g (6.88 oz) |
| Dieta | -- | -- |
| Tamaño de la puesta | 1 | 1-6 |
| Population Trend | — | — |
Habitat Comparison
Estado de conservación
Least Concern
Swallow-tailed Gull
Vulnerable
Saunders's 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.
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.