Ascension Night-heron vs Whistling Heron
Nycticorax olsoni مقارنةً بـ Syrigma sibilatrix
Side-by-Side Comparison
| السمة | Ascension Night-heron | Whistling Heron |
|---|---|---|
| الاسم العلمي | Nycticorax olsoni | Syrigma sibilatrix |
| الرتبة | Pelecaniformes | Pelecaniformes |
| الفصيلة | Ardeidae | Ardeidae |
| حالة الحفاظ | Not Evaluated | Least Concern |
| الطول | — | — |
| طول الجناح | — | 58,0 cm (22.8 in) |
| الوزن | 624,57 g (22.03 oz) | 462,5 g (16.31 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | -- | 3-4 |
| Population Trend | — | — |
Habitat Comparison
الموائل المشتركة
بلا
Ascension Night-heron only
Whistling Heron only
حالة الحفاظ
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.