Ring-billed Gull vs African Skimmer
Larus delawarensis เปรียบเทียบกับ Rynchops flavirostris
Side-by-Side Comparison
| คุณสมบัติ | Ring-billed Gull | African Skimmer |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Larus delawarensis | Rynchops flavirostris |
| อันดับ | Charadriiformes | Charadriiformes |
| วงศ์ตระกูล | Laridae | Laridae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 73.2 cm (28.8 in) | 66.4 cm (26.1 in) |
| น้ำหนัก | 500.0 g (17.64 oz) | 165.66666666666666 g (5.84 oz) |
| อาหาร | -- | -- |
| จำนวนไข่ | 3 | 1-5 |
| Population Trend | — | — |
Habitat Comparison
สถานะการอนุรักษ์
Least Concern
Ring-billed Gull
Least Concern
African Skimmer
About These Birds
Ring-billed Gull
Ring-billed Gull, 43–54 cm, is North America's most abundant gull, breeding on lakes from the Great Plains to the Great Lakes and wintering on all coasts. Adult has a distinctive black ring near bill tip, yellow legs. Omnivore; thrives on garbage, parking lots, and agricultural fields.
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.