Aleutian Tern vs Peruvian Tern
Onychoprion aleuticus в сравнении с Sternula lorata
Side-by-Side Comparison
| Характеристика | Aleutian Tern | Peruvian Tern |
|---|---|---|
| Научное название | Onychoprion aleuticus | Sternula lorata |
| Отряд | Charadriiformes | Charadriiformes |
| Семейство | Laridae | Laridae |
| Охранный статус | Vulnerable | Endangered |
| Длина | — | — |
| Размах крыльев | 52,4 cm (20.6 in) | 34,7 cm (13.7 in) |
| Масса | 104,88 g (3.70 oz) | 52,0 g (1.83 oz) |
| Питание | -- | -- |
| Размер кладки | 1-4 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Aleutian Tern only
Peruvian Tern only
Охранный статус
Vulnerable
Aleutian Tern
Endangered
Peruvian Tern
About These Birds
Aleutian Tern
Aleutian Tern, 32–34 cm, breeds colonially in Alaska and Russian Far East, wintering in Southeast Asian waters — one of the most poorly tracked migrations among seabirds. Dark grey above, white below, black cap with white forehead. Piscivore; dives for small fish. Near Threatened.
Peruvian Tern
Peruvian Tern, 23–25 cm, is an Endangered tern restricted to the Humboldt Current coastline of Peru and northern Chile. White forehead, yellow bill, grey above. Breeds on barren coastal deserts and fishmeal industry areas. Severely threatened by habitat disturbance and introduced predators.