Bonaparte's Gull vs African Skimmer
Larus philadelphia so với Rynchops flavirostris
Side-by-Side Comparison
| Thuộc Tính | Bonaparte's Gull | African Skimmer |
|---|---|---|
| Tên Khoa Học | Larus philadelphia | Rynchops flavirostris |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 51,9 cm (20.4 in) | 66,4 cm (26.1 in) |
| Khối Lượng | 204,575 g (7.22 oz) | 165,66666666666666 g (5.84 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-3 | 1-5 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Bonaparte's Gull only
African Skimmer only
Không
Tình Trạng Bảo Tồn
Least Concern
Bonaparte's Gull
Least Concern
African Skimmer
About These Birds
Bonaparte's Gull
Bonaparte's Gull, 28–30 cm, is North America's smallest Larus gull, breeding in boreal forests near lakes and wintering on both coasts. Breeding adult has a black hood; underwing shows white triangular flash. Planktivore and piscivore; buoyant, tern-like flight. Migratory; forms large winter flocks.
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.