Hartlaub's Gull vs Andean Gull
Larus hartlaubii مقارنةً بـ Larus serranus
Side-by-Side Comparison
| السمة | Hartlaub's Gull | Andean Gull |
|---|---|---|
| الاسم العلمي | Larus hartlaubii | Larus serranus |
| الرتبة | Charadriiformes | Charadriiformes |
| الفصيلة | Laridae | Laridae |
| حالة الحفاظ | Least Concern | Least Concern |
| الطول | — | — |
| طول الجناح | 54,0 cm (21.3 in) | 70,6 cm (27.8 in) |
| الوزن | 287,5 g (10.14 oz) | 478,0 g (16.86 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 1-5 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
Least Concern
Hartlaub's Gull
Least Concern
Andean 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.
Andean Gull
Andean Gull, 45–48 cm, breeds at high-altitude Andean lakes from Colombia to Argentina, typically above 3000 m. Black hood in breeding plumage; white below with grey mantle. Largely insectivore, following cattle or foraging at lake edges. Partial altitudinal migrant descending to Pacific and Atlantic coasts in winter.