Black Bittern vs Ascension Night-heron
Ixobrychus flavicollis 对比 Nycticorax olsoni
Side-by-Side Comparison
| 属性 | Black Bittern | Ascension Night-heron |
|---|---|---|
| 学名 | Ixobrychus flavicollis | Nycticorax olsoni |
| 目 | Pelecaniformes | Pelecaniformes |
| 科 | Ardeidae | Ardeidae |
| 保护状况 | Least Concern | Not Evaluated |
| 体长 | — | — |
| 翼展 | 40.2 cm (15.8 in) | — |
| 体重 | 314.0 g (11.08 oz) | 624.57 g (22.03 oz) |
| 食性 | -- | -- |
| 产卵数 | 2-6 | -- |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Black Bittern
Not Evaluated
Ascension Night-heron
About These Birds
Black Bittern
The Black Bittern is a medium-sized, slender heron of South and Southeast Asia and Australia, with males displaying largely black upperparts, a tawny-yellow neck, and streaked underparts. It inhabits densely vegetated wetlands, including reed beds, mangroves, and overgrown ponds and streams. It is secretive and crepuscular, feeding on fish, frogs, and aquatic invertebrates.
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.