European Shag vs Heard Shag
Gulosus aristotelis 比較対象 Leucocarbo nivalis
Side-by-Side Comparison
| 属性 | European Shag | Heard Shag |
|---|---|---|
| 学名 | Gulosus aristotelis | Leucocarbo nivalis |
| 目 | Suliformes | Suliformes |
| 科 | Phalacrocoracidae | Phalacrocoracidae |
| 保全状況 | Least Concern | Not Evaluated |
| 体長 | — | — |
| 翼開長 | 52.5 cm (20.7 in) | — |
| 体重 | 1777.25 g (62.69 oz) | 2931.0 g (103.39 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1-6 | 2-4 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
European Shag
Not Evaluated
Heard Shag
About These Birds
European Shag
体長68〜78 cm、翼幅95〜110 cm。光沢のある緑色を帯びた全黒色；繁殖期には短い直立した冠羽；黄色い口角。厳密に海洋性で、西ヨーロッパと地中海の岩礁海岸に繁殖。澄んだ沿岸水域で潜水して魚を捕食。絶滅危惧種；石油流出と乱獲が脅威。
Heard Shag
63 cm. Black above; white below; orange caruncles. Endemic to Heard Island and McDonald Islands, remote Australian sub-Antarctic territory. Vulnerable; population of only a few thousand in a very restricted range. Feeds on fish and invertebrates in cold surrounding ocean.