Black-crowned Night Heron vs Ascension Night-heron
Nycticorax nycticorax 对比 Nycticorax olsoni
Side-by-Side Comparison
| 属性 | Black-crowned Night Heron | Ascension Night-heron |
|---|---|---|
| 学名 | Nycticorax nycticorax | Nycticorax olsoni |
| 目 | Pelecaniformes | Pelecaniformes |
| 科 | Ardeidae | Ardeidae |
| 保护状况 | Least Concern | Not Evaluated |
| 体长 | — | — |
| 翼展 | 57.1 cm (22.5 in) | — |
| 体重 | 779.425 g (27.49 oz) | 624.57 g (22.03 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-8 | -- |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Black-crowned Night Heron
Not Evaluated
Ascension Night-heron
About These Birds
Black-crowned Night Heron
夜鹭(约800克)是世界上分布最广的鹭类之一,成鸟具有黑色头顶和背部、灰色翅膀和白色下体。白天在密集植被中休息,黄昏和夜间活动。以鱼类、青蛙和甲壳动物为食。无危;广布于全球除澳大拉西亚外的各大洲。
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.