Ascension Night-heron vs Whistling Heron
Nycticorax olsoni comparé à Syrigma sibilatrix
Side-by-Side Comparison
| Attribut | Ascension Night-heron | Whistling Heron |
|---|---|---|
| Nom scientifique | Nycticorax olsoni | Syrigma sibilatrix |
| Ordre | Pelecaniformes | Pelecaniformes |
| Famille | Ardeidae | Ardeidae |
| Statut de conservation | Not Evaluated | Least Concern |
| Longueur | — | — |
| Envergure | — | 58,0 cm (22.8 in) |
| Poids | 624,57 g (22.03 oz) | 462,5 g (16.31 oz) |
| Régime alimentaire | -- | -- |
| Taille de la couvée | -- | 3-4 |
| Population Trend | — | — |
Habitat Comparison
Habitats partagés
Aucun(e)
Ascension Night-heron only
Whistling Heron only
Statut de conservation
Not Evaluated
Ascension Night-heron
Least Concern
Whistling 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.