Heermann's Gull vs Vega Gull
Larus heermanni в сравнении с Larus vegae
Side-by-Side Comparison
| Характеристика | Heermann's Gull | Vega Gull |
|---|---|---|
| Научное название | Larus heermanni | Larus vegae |
| Отряд | Charadriiformes | Charadriiformes |
| Семейство | Laridae | Laridae |
| Охранный статус | Near Threatened | Not Evaluated |
| Длина | — | — |
| Размах крыльев | 67,2 cm (26.5 in) | — |
| Масса | 448,26666666666665 g (15.81 oz) | 1231,75 g (43.45 oz) |
| Питание | -- | -- |
| Размер кладки | 1-2 | -- |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Heermann's Gull only
Нет
Vega Gull only
Охранный статус
Near Threatened
Heermann's Gull
Not Evaluated
Vega Gull
About These Birds
Heermann's Gull
Heermann's Gull, 46–51 cm, is distinctive — dark grey body, white head (breeding), red bill. Breeds almost entirely on Isla Rasa in the Gulf of California, then disperses north along the Pacific coast to British Columbia. Kleptoparasite; steals fish from Brown Pelicans. Near Threatened; range highly restricted.
Vega Gull
Vega Gull, 55–68 cm, breeds in Siberia and winters on Pacific coasts from Japan to China. Formerly considered a subspecies of Herring Gull; slightly darker grey mantle, pink-fleshed orbital ring. Omnivore; scavenges at ports and forages along rocky coasts. Migratory; common in East Asian harbours in winter.