Little Blue Heron vs Ascension Night-heron
Egretta caerulea 比較対象 Nycticorax olsoni
Side-by-Side Comparison
| 属性 | Little Blue Heron | Ascension Night-heron |
|---|---|---|
| 学名 | Egretta caerulea | Nycticorax olsoni |
| 目 | Pelecaniformes | Pelecaniformes |
| 科 | Ardeidae | Ardeidae |
| 保全状況 | Least Concern | Not Evaluated |
| 体長 | — | — |
| 翼開長 | 51.6 cm (20.3 in) | — |
| 体重 | 352.0 g (12.42 oz) | 624.57 g (22.03 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 2-5 | -- |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Little Blue Heron
Not Evaluated
Ascension Night-heron
About These Birds
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.