Black-tailed Gull vs Franklin's Gull
Larus crassirostris в сравнении с Larus pipixcan
Side-by-Side Comparison
| Характеристика | Black-tailed Gull | Franklin's Gull |
|---|---|---|
| Научное название | Larus crassirostris | Larus pipixcan |
| Отряд | Charadriiformes | Charadriiformes |
| Семейство | Laridae | Laridae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 72,8 cm (28.7 in) | 55,9 cm (22.0 in) |
| Масса | 675,0 g (23.81 oz) | 279,8333333333333 g (9.87 oz) |
| Питание | -- | -- |
| Размер кладки | 2-3 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Black-tailed Gull only
Нет
Franklin's Gull only
Охранный статус
Least Concern
Black-tailed Gull
Least Concern
Franklin's Gull
About These Birds
Black-tailed Gull
Black-tailed Gull, 44–48 cm, is common on East Asian coasts from Russia to China, Japan, and Korea. Grey mantle, white body, yellow bill with red spot and black subterminal band, yellow legs. Omnivore; very vocal, known as the 'cat gull' for its mewing calls. Migratory; winters south to Vietnam.
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.