Ascension Night-heron vs Forest Bittern
Nycticorax olsoni compared with Zonerodius heliosylus
Side-by-Side Comparison
| Attribute | Ascension Night-heron | Forest Bittern |
|---|---|---|
| Scientific Name | Nycticorax olsoni | Zonerodius heliosylus |
| Order | Pelecaniformes | Pelecaniformes |
| Family | Ardeidae | Ardeidae |
| Conservation Status | Not Evaluated | Near Threatened |
| Length | — | — |
| Wingspan | — | 60.6 cm (23.9 in) |
| Weight | 624.57 g (22.03 oz) | 802.0 g (28.29 oz) |
| Diet | -- | -- |
| Clutch Size | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Not Evaluated
Ascension Night-heron
Near Threatened
Forest Bittern
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.