Heermann's Gull vs Arctic Herring Gull
Larus heermanni مقارنةً بـ Larus smithsonianus
Side-by-Side Comparison
| السمة | Heermann's Gull | Arctic Herring Gull |
|---|---|---|
| الاسم العلمي | Larus heermanni | Larus smithsonianus |
| الرتبة | Charadriiformes | Charadriiformes |
| الفصيلة | Laridae | Laridae |
| حالة الحفاظ | Near Threatened | Least Concern |
| الطول | — | — |
| طول الجناح | 67,2 cm (26.5 in) | 85,9 cm (33.8 in) |
| الوزن | 448,26666666666665 g (15.81 oz) | 1108,0 g (39.08 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 1-2 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
الموائل المشتركة
Heermann's Gull only
بلا
Arctic Herring Gull only
حالة الحفاظ
Near Threatened
Heermann's Gull
Least Concern
Arctic Herring 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.
Arctic Herring Gull
Arctic Herring Gull, 55–66 cm, breeds across Arctic North America and winters on all coasts of the US. Formerly lumped with European Herring Gull; darker-eyed on average, slightly more northerly range. Omnivore and scavenger; abundant at fishing ports, dumps, and beaches in winter.