Brown-headed Gull vs West African Crested Tern
Larus brunnicephalus مقارنةً بـ Thalasseus albididorsalis
Side-by-Side Comparison
| السمة | Brown-headed Gull | West African Crested Tern |
|---|---|---|
| الاسم العلمي | Larus brunnicephalus | Thalasseus albididorsalis |
| الرتبة | Charadriiformes | Charadriiformes |
| الفصيلة | Laridae | Laridae |
| حالة الحفاظ | Least Concern | Not Evaluated |
| الطول | — | — |
| طول الجناح | 66,8 cm (26.3 in) | — |
| الوزن | 584,0 g (20.60 oz) | 380,0 g (13.40 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 1-4 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
Least Concern
Brown-headed Gull
Not Evaluated
West African Crested Tern
About These Birds
Brown-headed Gull
Brown-headed Gull, 41–46 cm, breeds at high-altitude Tibetan lakes and Central Asian wetlands, wintering on coasts from India to Southeast Asia. Brown hood in breeding plumage; white wing mirrors. Piscivore and invertivore; follows fishing activity in coastal bays.
West African Crested Tern
West African Crested Tern, 42–45 cm, breeds on Atlantic islands from Mauritania to Angola. Pale grey back, orange bill, black crest. Piscivore; forages along the rich upwelling zone off West Africa. Recently split from Lesser Crested Tern. Coastal and offshore forager in tropical waters.