Andean Gull vs Little Tern
Larus serranus so với Sternula albifrons
Side-by-Side Comparison
| Thuộc Tính | Andean Gull | Little Tern |
|---|---|---|
| Tên Khoa Học | Larus serranus | Sternula albifrons |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 70,6 cm (27.8 in) | 33,9 cm (13.3 in) |
| Khối Lượng | 478,0 g (16.86 oz) | 55,0 g (1.94 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-4 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Andean Gull
Least Concern
Little 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.
Little Tern
Little Tern is one of the world's smallest terns, 21–25 cm, breeding along coastlines and rivers across Europe, Asia, Africa, and Australia. White below, grey above, with a yellow bill tipped black and a white forehead patch. Hovers and plunge-dives for small fish. Migratory; winters in tropical coasts.