Black Heron vs Ascension Night-heron
Egretta ardesiaca 比較対象 Nycticorax olsoni
Side-by-Side Comparison
| 属性 | Black Heron | Ascension Night-heron |
|---|---|---|
| 学名 | Egretta ardesiaca | Nycticorax olsoni |
| 目 | Pelecaniformes | Pelecaniformes |
| 科 | Ardeidae | Ardeidae |
| 保全状況 | Least Concern | Not Evaluated |
| 体長 | — | — |
| 翼開長 | 49.0 cm (19.3 in) | — |
| 体重 | 330.0 g (11.64 oz) | 624.57 g (22.03 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 2-4 | -- |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Black Heron
Not Evaluated
Ascension Night-heron
About These Birds
Black Heron
サハラ以南のアフリカに生息する黒いサギで、翼を広げて傘のように魚を囲む独特の採食行動で知られる。
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.