Black Tern vs Andean Gull
Chlidonias niger comparé à Larus serranus
Side-by-Side Comparison
| Attribut | Black Tern | Andean Gull |
|---|---|---|
| Nom scientifique | Chlidonias niger | Larus serranus |
| Ordre | Charadriiformes | Charadriiformes |
| Famille | Laridae | Laridae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | — |
| Envergure | 40,3 cm (15.9 in) | 70,6 cm (27.8 in) |
| Poids | 73,15 g (2.58 oz) | 478,0 g (16.86 oz) |
| Régime alimentaire | -- | -- |
| Taille de la couvée | 2-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Statut de conservation
Least Concern
Black Tern
Least Concern
Andean Gull
About These Birds
Black Tern
Black Tern, 22–24 cm, breeds on freshwater marshes of North America and Eurasia. Breeding plumage: sooty black body, grey wings. Insectivore and piscivore; buoyant, dipping flight over wetlands. Migratory; winters off West African coasts and in tropical America. Declining in Europe.
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.