Black-tailed Gull vs Iceland Gull
Larus crassirostris в сравнении с Larus glaucoides
Side-by-Side Comparison
| Характеристика | Black-tailed Gull | Iceland Gull |
|---|---|---|
| Научное название | Larus crassirostris | Larus glaucoides |
| Отряд | Charadriiformes | Charadriiformes |
| Семейство | Laridae | Laridae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 72,8 cm (28.7 in) | 79,2 cm (31.2 in) |
| Масса | 675,0 g (23.81 oz) | 911,5 g (32.15 oz) |
| Питание | -- | -- |
| Размер кладки | 2-3 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Охранный статус
Least Concern
Black-tailed Gull
Least Concern
Iceland 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.
Iceland Gull
Iceland Gull, 50–64 cm, breeds in Greenland and winters on both sides of the North Atlantic to Great Lakes. White wing tips (like Glaucous Gull but considerably smaller), pink orbital ring. Omnivore; scavenges at harbours and landfills in winter. Two subspecies often treated as separate species.