Slaty-backed Gull vs African Skimmer
Larus schistisagus so với Rynchops flavirostris
Side-by-Side Comparison
| Thuộc Tính | Slaty-backed Gull | African Skimmer |
|---|---|---|
| Tên Khoa Học | Larus schistisagus | Rynchops flavirostris |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 87,0 cm (34.3 in) | 66,4 cm (26.1 in) |
| Khối Lượng | 1280,5 g (45.17 oz) | 165,66666666666666 g (5.84 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-4 | 1-5 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Slaty-backed Gull
Least Concern
African Skimmer
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.
African Skimmer
African Skimmer: 36–42 cm, black-and-white skimmer with a long bright orange-yellow bill where the lower mandible is longer than the upper. Flies low over large rivers and lakes, cutting the water surface with the lower bill to catch fish. Resident and partial migrant along large rivers and lakes of sub-Saharan Africa. NT.