Eurasian Bittern vs Ascension Night-heron
Botaurus stellaris 比較対象 Nycticorax olsoni
Side-by-Side Comparison
| 属性 | Eurasian Bittern | Ascension Night-heron |
|---|---|---|
| 学名 | Botaurus stellaris | Nycticorax olsoni |
| 目 | Pelecaniformes | Pelecaniformes |
| 科 | Ardeidae | Ardeidae |
| 保全状況 | Least Concern | Not Evaluated |
| 体長 | — | — |
| 翼開長 | 64.8 cm (25.5 in) | — |
| 体重 | 1264.0 g (44.59 oz) | 624.57 g (22.03 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1-7 | -- |
| Population Trend | — | — |
Habitat Comparison
保全状況
Eurasian Bittern
Ascension Night-heron
About These Birds
Eurasian Bittern
The Eurasian Bittern (Botaurus stellaris) is a large, secretive heron of the family Ardeidae, native to wetlands across the Palearctic from Europe and North Africa east across Asia to Japan and the Russian Far East. Adults are heavily streaked in brown, buff, and black, producing a cryptic pattern that allows perfect concealment in reedbeds. When alarmed, the bird adopts a characteristic freeze posture with the bill pointed skyward and the neck stretched upward, effectively mimicking a stand of reeds. Adults …
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.