Vega Gull vs Aleutian Tern
Larus vegae в сравнении с Onychoprion aleuticus
Side-by-Side Comparison
| Характеристика | Vega Gull | Aleutian Tern |
|---|---|---|
| Научное название | Larus vegae | Onychoprion aleuticus |
| Отряд | Charadriiformes | Charadriiformes |
| Семейство | Laridae | Laridae |
| Охранный статус | Not Evaluated | Vulnerable |
| Длина | — | — |
| Размах крыльев | — | 52,4 cm (20.6 in) |
| Масса | 1231,75 g (43.45 oz) | 104,88 g (3.70 oz) |
| Питание | -- | -- |
| Размер кладки | -- | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Vega Gull only
Aleutian Tern only
Нет
Охранный статус
Not Evaluated
Vega Gull
Vulnerable
Aleutian Tern
About These Birds
Vega Gull
Vega Gull, 55–68 cm, breeds in Siberia and winters on Pacific coasts from Japan to China. Formerly considered a subspecies of Herring Gull; slightly darker grey mantle, pink-fleshed orbital ring. Omnivore; scavenges at ports and forages along rocky coasts. Migratory; common in East Asian harbours in winter.
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.