Andean Gull vs Cabot's Tern
Larus serranus compared with Thalasseus acuflavidus
Side-by-Side Comparison
| Attribute | Andean Gull | Cabot's Tern |
|---|---|---|
| Scientific Name | Larus serranus | Thalasseus acuflavidus |
| Order | Charadriiformes | Charadriiformes |
| Family | Laridae | Laridae |
| Conservation Status | Least Concern | Not Evaluated |
| Length | — | — |
| Wingspan | 70.6 cm (27.8 in) | — |
| Weight | 478.0 g (16.86 oz) | 220.25 g (7.77 oz) |
| Diet | -- | -- |
| Clutch Size | 1-4 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Andean Gull
Not Evaluated
Cabot's 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.
Cabot's Tern
Cabot's Tern, 36–41 cm, closely resembles Sandwich Tern and was recently split; breeds along Atlantic and Gulf coasts of North America, wintering to South America. Black cap, yellow-tipped black bill. Coastal piscivore; plunge-dives in shallow bays and lagoons.