Black-tailed Gull vs Lesser Black-backed Gull
Larus crassirostris в сравнении с Larus fuscus
Side-by-Side Comparison
| Характеристика | Black-tailed Gull | Lesser Black-backed Gull |
|---|---|---|
| Научное название | Larus crassirostris | Larus fuscus |
| Отряд | Charadriiformes | Charadriiformes |
| Семейство | Laridae | Laridae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 72,8 cm (28.7 in) | 82,4 cm (32.4 in) |
| Масса | 675,0 g (23.81 oz) | 841,3333333333334 g (29.68 oz) |
| Питание | -- | -- |
| Размер кладки | 2-3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Black-tailed Gull only
Нет
Lesser Black-backed Gull only
Охранный статус
Least Concern
Black-tailed Gull
Least Concern
Lesser Black-backed 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.
Lesser Black-backed Gull
Lesser Black-backed Gull, 48–56 cm, breeds across Northern Europe and Iceland, undertaking one of the longest migrations of any large gull — to winter quarters in East Africa, India, and the Gulf. Slate-black mantle, yellow legs, yellow bill with red spot. Omnivore; increasingly winters in North America.