White-winged Tern vs Andean Gull
Chlidonias leucopterus compared with Larus serranus
Side-by-Side Comparison
| Attribute | White-winged Tern | Andean Gull |
|---|---|---|
| Scientific Name | Chlidonias leucopterus | Larus serranus |
| Order | Charadriiformes | Charadriiformes |
| Family | Laridae | Laridae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 41.6 cm (16.4 in) | 70.6 cm (27.8 in) |
| Weight | 60.5 g (2.13 oz) | 478.0 g (16.86 oz) |
| Diet | -- | -- |
| Clutch Size | 2-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
White-winged Tern
Least Concern
Andean Gull
About These Birds
White-winged Tern
White-winged Tern, 20–23 cm, breeds in wetlands from Eastern Europe to Central Asia and winters in sub-Saharan Africa, South Asia, and Australia. Breeding male: jet-black body contrasting with white wings. Insectivore; dips over marshes and rice paddies. Long-distance migrant.
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.