Heermann's Gull vs Brown-hooded Gull
Larus heermanni в сравнении с Larus maculipennis
Side-by-Side Comparison
| Характеристика | Heermann's Gull | Brown-hooded Gull |
|---|---|---|
| Научное название | Larus heermanni | Larus maculipennis |
| Отряд | Charadriiformes | Charadriiformes |
| Семейство | Laridae | Laridae |
| Охранный статус | Near Threatened | Least Concern |
| Длина | — | — |
| Размах крыльев | 67,2 cm (26.5 in) | 58,2 cm (22.9 in) |
| Масса | 448,26666666666665 g (15.81 oz) | 364,5 g (12.86 oz) |
| Питание | -- | -- |
| Размер кладки | 1-2 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Heermann's Gull only
Нет
Brown-hooded Gull only
Охранный статус
Near Threatened
Heermann's Gull
Least Concern
Brown-hooded 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.
Brown-hooded Gull
Brown-hooded Gull, 35–38 cm, breeds on freshwater lakes and coastal areas of southern South America from Chile to Argentina. Reddish bill, brown-chocolate hood in breeding plumage. Coastal and inland omnivore; follows fishing boats and ploughs. Winters north along both coasts.