Grey Heron vs Ascension Night-heron
Ardea cinerea 比較対象 Nycticorax olsoni
Side-by-Side Comparison
| 属性 | Grey Heron | Ascension Night-heron |
|---|---|---|
| 学名 | Ardea cinerea | Nycticorax olsoni |
| 目 | Pelecaniformes | Pelecaniformes |
| 科 | Ardeidae | Ardeidae |
| 保全状況 | Least Concern | Not Evaluated |
| 体長 | — | — |
| 翼開長 | 88.2 cm (34.7 in) | — |
| 体重 | 1546.5 g (54.55 oz) | 624.57 g (22.03 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1-10 | -- |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Grey Heron
Not Evaluated
Ascension Night-heron
About These Birds
Grey Heron
ヨーロッパ、アジア、アフリカに広く分布するアオサギ（体長84〜102cm）。灰色の体、白い頭部と黒い冠が特徴的。Ardea cinerea（アオサギ）は水辺に佇んで魚を静かに待ち、素早い突き出しで捕まえる。ヨーロッパ・アジアで最大のサギで、日本でも河川や田んぼで普通に見られる。Ardeidae科。
Ascension Night-heron
The Ascension Night-heron was a flightless heron known from subfossil remains on Ascension Island in the South Atlantic. Weighing an estimated 624g, it was likely driven to extinction by human activity and introduced predators. It is currently listed as Not Evaluated by conservation assessments.