Australasian Bittern vs Ascension Night-heron
Botaurus poiciloptilus 对比 Nycticorax olsoni
Side-by-Side Comparison
| 属性 | Australasian Bittern | Ascension Night-heron |
|---|---|---|
| 学名 | Botaurus poiciloptilus | Nycticorax olsoni |
| 目 | Pelecaniformes | Pelecaniformes |
| 科 | Ardeidae | Ardeidae |
| 保护状况 | Vulnerable | Not Evaluated |
| 体长 | — | — |
| 翼展 | 64.1 cm (25.2 in) | — |
| 体重 | 1166.5 g (41.15 oz) | 624.57 g (22.03 oz) |
| 食性 | -- | -- |
| 产卵数 | 4-5 | -- |
| Population Trend | — | — |
Habitat Comparison
保护状况
Vulnerable
Australasian Bittern
Not Evaluated
Ascension Night-heron
About These Birds
Australasian Bittern
The Australasian Bittern is a Vulnerable large heron found in freshwater wetlands and reed beds across Australia and New Zealand. Weighing about 1,166.5g with a wingspan of 64.1cm, it is a cryptically streaked brown bird that freezes motionless with its bill pointed skyward when threatened. It feeds on fish, frogs, and aquatic invertebrates at night.
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.