Andean Gull vs Greater Crested Tern
Larus serranus comparado con Thalasseus bergii
Side-by-Side Comparison
| Atributo | Andean Gull | Greater Crested Tern |
|---|---|---|
| Nombre científico | Larus serranus | Thalasseus bergii |
| Orden | Charadriiformes | Charadriiformes |
| Familia | Laridae | Laridae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 70,6 cm (27.8 in) | 71,6 cm (28.2 in) |
| Peso | 478,0 g (16.86 oz) | 367,75 g (12.97 oz) |
| Dieta | -- | -- |
| Tamaño de la puesta | 1-4 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Andean Gull only
Ninguno
Greater Crested Tern only
Ninguno
Estado de conservación
Least Concern
Andean Gull
Least Concern
Greater Crested 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.
Greater Crested Tern
Greater Crested Tern, 43–48 cm, is the largest crested tern of the Indo-Pacific, breeding from South Africa to Japan and Australia. Yellow-green bill, prominent black crest, grey back. Colonial breeder on sand islands; plunge-dives for fish. Partially migratory; disperses across Indian and Pacific Oceans.