Yellow-crowned Night-Heron vs Ascension Night-heron
Nyctanassa violacea से तुलना Nycticorax olsoni
Side-by-Side Comparison
| विशेषता | Yellow-crowned Night-Heron | Ascension Night-heron |
|---|---|---|
| वैज्ञानिक नाम | Nyctanassa violacea | Nycticorax olsoni |
| गण | Pelecaniformes | Pelecaniformes |
| कुल | Ardeidae | Ardeidae |
| संरक्षण स्थिति | Least Concern | Not Evaluated |
| लंबाई | — | — |
| पंखों का फैलाव | 56.8 cm (22.4 in) | — |
| वजन | 703.75 g (24.82 oz) | 624.57 g (22.03 oz) |
| आहार | -- | -- |
| अंडों की संख्या | 2-8 | -- |
| Population Trend | — | — |
Habitat Comparison
साझा आवास
Ascension Night-heron only
कोई नहीं
संरक्षण स्थिति
Yellow-crowned Night-Heron
Ascension Night-heron
About These Birds
Yellow-crowned Night-Heron
The Yellow-crowned Night-Heron (Nyctanassa violacea) is a medium-sized heron of the family Ardeidae found throughout the Americas. It is the sole member of its genus and differs structurally and behaviorally from the Black-crowned Night-Heron (Nycticorax nycticorax). Adults are elegantly patterned with a blue-gray body, black and white facial pattern, a pale yellow to cream crown, and long white plumes trailing from the head in breeding plumage. The bill is stout and relatively thick compared to other herons, an adaptation for …
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.