European Herring Gull vs Heermann's Gull
Larus argentatus в сравнении с Larus heermanni
Side-by-Side Comparison
| Характеристика | European Herring Gull | Heermann's Gull |
|---|---|---|
| Научное название | Larus argentatus | Larus heermanni |
| Отряд | Charadriiformes | Charadriiformes |
| Семейство | Laridae | Laridae |
| Охранный статус | Least Concern | Near Threatened |
| Длина | — | — |
| Размах крыльев | 86,2 cm (33.9 in) | 67,2 cm (26.5 in) |
| Масса | 1110,0 g (39.15 oz) | 448,26666666666665 g (15.81 oz) |
| Питание | -- | -- |
| Размер кладки | 2-3 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Heermann's Gull only
Нет
Охранный статус
Least Concern
European Herring Gull
Near Threatened
Heermann's Gull
About These Birds
European Herring Gull
European Herring Gull, 55–67 cm, wingspan 125–155 cm, is the archetypal large gull of Atlantic Europe. Silver-grey mantle, white body, yellow bill with red spot, pink legs. Omnivore; scavenges in cities and harbours; drops molluscs to crack shells. Partially migratory; declining in recent decades.
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.