Andean Gull vs Sandwich Tern
Larus serranus comparé à Thalasseus sandvicensis
Side-by-Side Comparison
| Attribut | Andean Gull | Sandwich Tern |
|---|---|---|
| Nom scientifique | Larus serranus | Thalasseus sandvicensis |
| Ordre | Charadriiformes | Charadriiformes |
| Famille | Laridae | Laridae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | — |
| Envergure | 70,6 cm (27.8 in) | 57,7 cm (22.7 in) |
| Poids | 478,0 g (16.86 oz) | 223,5 g (7.88 oz) |
| Régime alimentaire | -- | -- |
| Taille de la couvée | 1-4 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Statut de conservation
Least Concern
Andean Gull
Least Concern
Sandwich 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.
Sandwich Tern
Sandwich Tern, 36–41 cm, is a widespread coastal tern breeding from Western Europe and the Caspian Sea to the Caribbean. Black cap with shaggy crest, slender black bill with a yellow tip. Plunge-dives forcefully for sand eels and sprats. Strongly migratory; European birds winter to West Africa.