Hartlaub's Gull vs Heermann's Gull
Larus hartlaubii مقارنةً بـ Larus heermanni
Side-by-Side Comparison
| السمة | Hartlaub's Gull | Heermann's Gull |
|---|---|---|
| الاسم العلمي | Larus hartlaubii | Larus heermanni |
| الرتبة | Charadriiformes | Charadriiformes |
| الفصيلة | Laridae | Laridae |
| حالة الحفاظ | Least Concern | Near Threatened |
| الطول | — | — |
| طول الجناح | 54,0 cm (21.3 in) | 67,2 cm (26.5 in) |
| الوزن | 287,5 g (10.14 oz) | 448,26666666666665 g (15.81 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 1-5 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
Least Concern
Hartlaub's Gull
Near Threatened
Heermann's Gull
About These Birds
Hartlaub's Gull
Hartlaub's Gull, 38–40 cm, is endemic to the Benguela Current coast of Namibia and South Africa. White with grey mantle, dark red bill. Resident; forages on beaches, at harbours, and over cold upwelling waters for fish offal and marine invertebrates. Population stable but range restricted.
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.