Andean Gull vs Royal Tern
Larus serranus в сравнении с Thalasseus maximus
Side-by-Side Comparison
| Характеристика | Andean Gull | Royal Tern |
|---|---|---|
| Научное название | Larus serranus | Thalasseus maximus |
| Отряд | Charadriiformes | Charadriiformes |
| Семейство | Laridae | Laridae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 70,6 cm (27.8 in) | 72,7 cm (28.6 in) |
| Масса | 478,0 g (16.86 oz) | 402,3333333333333 g (14.19 oz) |
| Питание | -- | -- |
| Размер кладки | 1-4 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Охранный статус
Least Concern
Andean Gull
Least Concern
Royal 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.
Royal Tern
Royal Tern, 45–50 cm, is a large, powerful tern of American and West African coasts. Orange bill, shaggy black crest (full only briefly in spring), pale grey mantle. Piscivore; plunge-dives from 10 m for mullet and menhaden. Nests in dense colonies; often seen loafing on beaches year-round.