Slaty-backed Gull vs Saunders's Gull
Larus schistisagus ile kıyaslandığında Saundersilarus saundersi
Side-by-Side Comparison
| Özellik | Slaty-backed Gull | Saunders's Gull |
|---|---|---|
| Bilimsel Ad | Larus schistisagus | Saundersilarus saundersi |
| Takım | Charadriiformes | Charadriiformes |
| Familya | Laridae | Laridae |
| Koruma Durumu | Least Concern | Vulnerable |
| Uzunluk | — | — |
| Kanat Açıklığı | 87,0 cm (34.3 in) | 54,8 cm (21.6 in) |
| Ağırlık | 1280,5 g (45.17 oz) | 195,0 g (6.88 oz) |
| Beslenme | -- | -- |
| Kuluçka Büyüklüğü | 1-4 | 1-6 |
| Population Trend | — | — |
Habitat Comparison
Koruma Durumu
Least Concern
Slaty-backed Gull
Vulnerable
Saunders's Gull
About These Birds
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.
Saunders's Gull
Saunders's Gull, 29–32 cm, is a Vulnerable gull breeding in coastal saltmarshes of China and Korea, wintering along East Asian coasts to Vietnam. Black hood in breeding plumage, white wing-tip mirrors. Feeds on crustaceans and invertebrates in tidal mudflats. Threatened by reclamation of Yellow Sea tidal flats.