Andean Gull vs Least Tern
Larus serranus compared with Sternula antillarum
Side-by-Side Comparison
| Attribute | Andean Gull | Least Tern |
|---|---|---|
| Scientific Name | Larus serranus | Sternula antillarum |
| Order | Charadriiformes | Charadriiformes |
| Family | Laridae | Laridae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 70.6 cm (27.8 in) | 33.0 cm (13.0 in) |
| Weight | 478.0 g (16.86 oz) | 46.75 g (1.65 oz) |
| Diet | -- | -- |
| Clutch Size | 1-4 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Andean Gull
Least Concern
Least 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.
Least Tern
Least Tern is North America's smallest tern, 22–24 cm, breeding on sandy beaches and river sandbars from the Atlantic coast to the interior. Endangered (interior subspecies). Yellow bill, white forehead, grey upperparts. Hovers and plunge-dives for small fish in coastal and riverine habitats.