Brown-headed Gull vs Kerguelen Tern
Larus brunnicephalus مقارنةً بـ Sterna virgata
Side-by-Side Comparison
| السمة | Brown-headed Gull | Kerguelen Tern |
|---|---|---|
| الاسم العلمي | Larus brunnicephalus | Sterna virgata |
| الرتبة | Charadriiformes | Charadriiformes |
| الفصيلة | Laridae | Laridae |
| حالة الحفاظ | Least Concern | Near Threatened |
| الطول | — | — |
| طول الجناح | 66,8 cm (26.3 in) | 50,0 cm (19.7 in) |
| الوزن | 584,0 g (20.60 oz) | 127,5 g (4.50 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 1-4 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
Least Concern
Brown-headed Gull
Near Threatened
Kerguelen 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.
Kerguelen Tern
Kerguelen Tern, 31–33 cm, is restricted to a handful of sub-Antarctic islands including Kerguelen and Crozet. Darker grey than Antarctic Tern, with reddish bill. Piscivore and invertivore; forages in kelp beds and coastal waters. Near Threatened; small, isolated population vulnerable to introduced predators.