Franklin's Gull vs Aleutian Tern
Larus pipixcan в сравнении с Onychoprion aleuticus
Side-by-Side Comparison
| Характеристика | Franklin's Gull | Aleutian Tern |
|---|---|---|
| Научное название | Larus pipixcan | Onychoprion aleuticus |
| Отряд | Charadriiformes | Charadriiformes |
| Семейство | Laridae | Laridae |
| Охранный статус | Least Concern | Vulnerable |
| Длина | — | — |
| Размах крыльев | 55,9 cm (22.0 in) | 52,4 cm (20.6 in) |
| Масса | 279,8333333333333 g (9.87 oz) | 104,88 g (3.70 oz) |
| Питание | -- | -- |
| Размер кладки | 1-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Franklin's Gull only
Нет
Aleutian Tern only
Нет
Охранный статус
Least Concern
Franklin's Gull
Vulnerable
Aleutian Tern
About These Birds
Franklin's Gull
Franklin's Gull, 32–36 cm, makes one of the longest overland migrations of any gull, breeding on prairie marshes of North America and wintering on Pacific coasts of South America — a journey of 12,000+ km. Rosy-flushed underparts in spring; black hood with distinctive white eye-crescents. Insectivore.
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.