Brown-headed Gull vs Kerguelen Tern
Larus brunnicephalus ile kıyaslandığında Sterna virgata
Side-by-Side Comparison
| Özellik | Brown-headed Gull | Kerguelen Tern |
|---|---|---|
| Bilimsel Ad | Larus brunnicephalus | Sterna virgata |
| Takım | Charadriiformes | Charadriiformes |
| Familya | Laridae | Laridae |
| Koruma Durumu | Least Concern | Near Threatened |
| Uzunluk | — | — |
| Kanat Açıklığı | 66,8 cm (26.3 in) | 50,0 cm (19.7 in) |
| Ağırlık | 584,0 g (20.60 oz) | 127,5 g (4.50 oz) |
| Beslenme | -- | -- |
| Kuluçka Büyüklüğü | 1-4 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Koruma Durumu
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.