Heermann's Gull vs Grey Gull
Larus heermanni в сравнении с Larus modestus
Side-by-Side Comparison
| Характеристика | Heermann's Gull | Grey Gull |
|---|---|---|
| Научное название | Larus heermanni | Larus modestus |
| Отряд | Charadriiformes | Charadriiformes |
| Семейство | Laridae | Laridae |
| Охранный статус | Near Threatened | Least Concern |
| Длина | — | — |
| Размах крыльев | 67,2 cm (26.5 in) | 63,6 cm (25.0 in) |
| Масса | 448,26666666666665 g (15.81 oz) | 325,0 g (11.46 oz) |
| Питание | -- | -- |
| Размер кладки | 1-2 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Охранный статус
Near Threatened
Heermann's Gull
Least Concern
Grey 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.
Grey Gull
Grey Gull, 45–48 cm, breeds in the Atacama Desert of Chile, one of the driest places on earth, nesting far from the coast. Uniform grey body, white head in breeding plumage. Each night adults fly 70–100 km to Humboldt Current coast to feed on fish and invertebrates before returning to chicks.