Grey-headed Gull vs Black-tailed Gull
Larus cirrocephalus в сравнении с Larus crassirostris
Side-by-Side Comparison
| Характеристика | Grey-headed Gull | Black-tailed Gull |
|---|---|---|
| Научное название | Larus cirrocephalus | Larus crassirostris |
| Отряд | Charadriiformes | Charadriiformes |
| Семейство | Laridae | Laridae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 63,8 cm (25.1 in) | 72,8 cm (28.7 in) |
| Масса | 357,5 g (12.61 oz) | 675,0 g (23.81 oz) |
| Питание | -- | -- |
| Размер кладки | 2-3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Охранный статус
Least Concern
Grey-headed Gull
Least Concern
Black-tailed Gull
About These Birds
Grey-headed Gull
Grey-headed Gull, 39–42 cm, breeds across sub-Saharan Africa and coastal South America. Pale grey hood in breeding plumage, red-orange bill and legs. Omnivore and piscivore; frequents large lakes, rivers, and coasts. Partially migratory, dispersing broadly outside breeding season.
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.