Great White Egret vs Ascension Night-heron
Ardea alba 比較対象 Nycticorax olsoni
Side-by-Side Comparison
| 属性 | Great White Egret | Ascension Night-heron |
|---|---|---|
| 学名 | Ardea alba | Nycticorax olsoni |
| 目 | Pelecaniformes | Pelecaniformes |
| 科 | Ardeidae | Ardeidae |
| 保全状況 | Least Concern | Not Evaluated |
| 体長 | — | — |
| 翼開長 | 75.8 cm (29.8 in) | — |
| 体重 | 1013.1 g (35.74 oz) | 624.57 g (22.03 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1-6 | -- |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Great White Egret
Not Evaluated
Ascension Night-heron
About These Birds
Great White Egret
全世界の温帯・熱帯湿地に広く分布する大型のシラサギ(体長80〜104cm)。純白の羽毛と黄色い嘴が特徴。繁殖期には美しい装飾羽(レース状の飾り羽)が生える。Ardea alba(ダイサギ)は19世紀末に飾り羽目的の乱獲で激減したが、鳥類保護運動の象徴となって回復した。現在も世界最多の個体数を誇るサギの一つ。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.