Brown-headed Gull vs Slaty-backed Gull
Larus brunnicephalus เปรียบเทียบกับ Larus schistisagus
Side-by-Side Comparison
| คุณสมบัติ | Brown-headed Gull | Slaty-backed Gull |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Larus brunnicephalus | Larus schistisagus |
| อันดับ | Charadriiformes | Charadriiformes |
| วงศ์ตระกูล | Laridae | Laridae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 66.8 cm (26.3 in) | 87.0 cm (34.3 in) |
| น้ำหนัก | 584.0 g (20.60 oz) | 1280.5 g (45.17 oz) |
| อาหาร | -- | -- |
| จำนวนไข่ | 1-4 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
สถานะการอนุรักษ์
Least Concern
Brown-headed Gull
Least Concern
Slaty-backed Gull
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.
Slaty-backed Gull
Slaty-backed Gull, 55–68 cm, breeds on coasts and cliffs of the Russian Far East, wintering south to Japan and occasionally the US Pacific coast. Dark slate-grey mantle, pink legs, 'string of pearls' white mirrors on outer wing. Omnivore; scavenges at fishing ports in East Asian harbours.