Atlantic White Tern vs Andean Gull
Gygis alba compared with Larus serranus
Side-by-Side Comparison
| Attribute | Atlantic White Tern | Andean Gull |
|---|---|---|
| Scientific Name | Gygis alba | Larus serranus |
| Order | Charadriiformes | Charadriiformes |
| Family | Laridae | Laridae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 50.4 cm (19.8 in) | 70.6 cm (27.8 in) |
| Weight | 138.0 g (4.87 oz) | 478.0 g (16.86 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Atlantic White Tern
Least Concern
Andean Gull
About These Birds
Atlantic White Tern
Atlantic White Tern: 28–33 cm, wingspan 76–87 cm, ethereally white seabird with blue-grey bill, blue orbital ring, and large dark eyes. Breeds on tropical Atlantic islands including Ascension and Saint Helena; related species widespread across the Indo-Pacific. Nests on bare branches with no nest material. Feeds on small fish near the surface.
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.