Andean Gull vs Elegant Tern
Larus serranus مقارنةً بـ Thalasseus elegans
Side-by-Side Comparison
| السمة | Andean Gull | Elegant Tern |
|---|---|---|
| الاسم العلمي | Larus serranus | Thalasseus elegans |
| الرتبة | Charadriiformes | Charadriiformes |
| الفصيلة | Laridae | Laridae |
| حالة الحفاظ | Least Concern | Near Threatened |
| الطول | — | — |
| طول الجناح | 70,6 cm (27.8 in) | 59,3 cm (23.3 in) |
| الوزن | 478,0 g (16.86 oz) | 236,16666666666666 g (8.33 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 1-4 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
Least Concern
Andean Gull
Near Threatened
Elegant 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.
Elegant Tern
Elegant Tern, 39–43 cm, breeds in a few large colonies on islands off Baja California and winters along Pacific coasts of South America. Long, drooping orange bill, shaggy black crest. Piscivore; dependent on Northern Anchovy and Pacific Sardine. Near Threatened; highly colonial breeder.