Western Cattle Egret vs Ascension Night-heron
Bubulcus ibis 比較対象 Nycticorax olsoni
Side-by-Side Comparison
| 属性 | Western Cattle Egret | Ascension Night-heron |
|---|---|---|
| 学名 | Bubulcus ibis | Nycticorax olsoni |
| 目 | Pelecaniformes | Pelecaniformes |
| 科 | Ardeidae | Ardeidae |
| 保全状況 | Least Concern | Not Evaluated |
| 体長 | — | — |
| 翼開長 | 48.9 cm (19.3 in) | — |
| 体重 | 385.68333333333334 g (13.60 oz) | 624.57 g (22.03 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1-9 | -- |
| Population Trend | — | — |
Habitat Comparison
共通生息地
Western Cattle Egret only
Ascension Night-heron only
None
保全状況
Least Concern
Western Cattle Egret
Not Evaluated
Ascension Night-heron
About These Birds
Western Cattle Egret
アフリカ原産だが現在は世界中の熱帯・亜熱帯に広く分布する小型のシラサギ（体長45〜52cm）。純白の体と黄色い嘴が特徴で、繁殖期には橙色の飾り羽が生える。Bubulcus ibis（アマサギ）は家畜の後について虫を食べることで有名で、20世紀に自力で世界中に分布を拡大した希有な例。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.