White-backed Night Heron vs Ascension Night-heron
Calherodius leuconotus compared with Nycticorax olsoni
Side-by-Side Comparison
| Attribute | White-backed Night Heron | Ascension Night-heron |
|---|---|---|
| Scientific Name | Calherodius leuconotus | Nycticorax olsoni |
| Order | Pelecaniformes | Pelecaniformes |
| Family | Ardeidae | Ardeidae |
| Conservation Status | Least Concern | Not Evaluated |
| Length | — | — |
| Wingspan | 49.6 cm (19.5 in) | — |
| Weight | 440.0 g (15.52 oz) | 624.57 g (22.03 oz) |
| Diet | -- | -- |
| Clutch Size | 2-5 | -- |
| Population Trend | — | — |
Habitat Comparison
Shared Habitats
Ascension Night-heron only
None
Conservation Status
Least Concern
White-backed Night 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.