Arctic Herring Gull vs African Skimmer
Larus smithsonianus 比較対象 Rynchops flavirostris
Side-by-Side Comparison
| 属性 | Arctic Herring Gull | African Skimmer |
|---|---|---|
| 学名 | Larus smithsonianus | Rynchops flavirostris |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 85.9 cm (33.8 in) | 66.4 cm (26.1 in) |
| 体重 | 1108.0 g (39.08 oz) | 165.66666666666666 g (5.84 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 2-3 | 1-5 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Arctic Herring Gull
Least Concern
African Skimmer
About These Birds
Arctic Herring Gull
Arctic Herring Gull, 55–66 cm, breeds across Arctic North America and winters on all coasts of the US. Formerly lumped with European Herring Gull; darker-eyed on average, slightly more northerly range. Omnivore and scavenger; abundant at fishing ports, dumps, and beaches in winter.
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.