Andean Gull vs Damara Tern
Larus serranus в сравнении с Sternula balaenarum
Side-by-Side Comparison
| Характеристика | Andean Gull | Damara Tern |
|---|---|---|
| Научное название | Larus serranus | Sternula balaenarum |
| Отряд | Charadriiformes | Charadriiformes |
| Семейство | Laridae | Laridae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 70,6 cm (27.8 in) | 33,9 cm (13.3 in) |
| Масса | 478,0 g (16.86 oz) | 50,675 g (1.79 oz) |
| Питание | -- | -- |
| Размер кладки | 1-4 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Охранный статус
Least Concern
Andean Gull
Least Concern
Damara 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.
Damara Tern
Damara Tern, 22–24 cm, is a Vulnerable tern endemic to the Namibian and South African coast. White below, grey above, with a black cap and yellow bill. Breeds sparsely on Namibian beaches; winters north to Gulf of Guinea. Highly sensitive to coastal development and off-road vehicles.