Grey-headed Gull vs Heermann's Gull
Larus cirrocephalus مقارنةً بـ Larus heermanni
Side-by-Side Comparison
| السمة | Grey-headed Gull | Heermann's Gull |
|---|---|---|
| الاسم العلمي | Larus cirrocephalus | Larus heermanni |
| الرتبة | Charadriiformes | Charadriiformes |
| الفصيلة | Laridae | Laridae |
| حالة الحفاظ | Least Concern | Near Threatened |
| الطول | — | — |
| طول الجناح | 63,8 cm (25.1 in) | 67,2 cm (26.5 in) |
| الوزن | 357,5 g (12.61 oz) | 448,26666666666665 g (15.81 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 2-3 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
Least Concern
Grey-headed Gull
Near Threatened
Heermann's 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.
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.