Andean Gull vs White-fronted Tern
Larus serranus compared with Sterna striata
Side-by-Side Comparison
| Attribute | Andean Gull | White-fronted Tern |
|---|---|---|
| Scientific Name | Larus serranus | Sterna striata |
| Order | Charadriiformes | Charadriiformes |
| Family | Laridae | Laridae |
| Conservation Status | Least Concern | Near Threatened |
| Length | — | — |
| Wingspan | 70.6 cm (27.8 in) | 54.8 cm (21.6 in) |
| Weight | 478.0 g (16.86 oz) | 131.5 g (4.64 oz) |
| Diet | -- | -- |
| Clutch Size | 1-4 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Andean Gull
Near Threatened
White-fronted 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.
White-fronted Tern
White-fronted Tern, 35–43 cm, is New Zealand's most common tern, breeding on coastal and riverine sites throughout the islands. White forehead contrasts with black cap; orange-red bill. Piscivore; hovers and plunge-dives in coastal waters and off river mouths. Winters on Australian coasts.