Andean Gull vs Common Tern
Larus serranus comparé à Sterna hirundo
Side-by-Side Comparison
| Attribut | Andean Gull | Common Tern |
|---|---|---|
| Nom scientifique | Larus serranus | Sterna hirundo |
| Ordre | Charadriiformes | Charadriiformes |
| Famille | Laridae | Laridae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | — |
| Envergure | 70,6 cm (27.8 in) | 50,7 cm (20.0 in) |
| Poids | 478,0 g (16.86 oz) | 125,75 g (4.44 oz) |
| Régime alimentaire | -- | -- |
| Taille de la couvée | 1-4 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Statut de conservation
Least Concern
Andean Gull
Least Concern
Common 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.
Common Tern
Common Tern, 31–35 cm, wingspan 77–98 cm, is among the most widespread seabirds, breeding across the Holarctic and wintering in the Southern Hemisphere. Grey back, white below, orange-red bill with dark tip, black cap. Plunge-dives for fish. One of the longest-distance migrants in the Northern Hemisphere.