Yellow-crowned Night-Heron vs Ascension Night-heron
Nyctanassa violacea so với Nycticorax olsoni
Side-by-Side Comparison
| Thuộc Tính | Yellow-crowned Night-Heron | Ascension Night-heron |
|---|---|---|
| Tên Khoa Học | Nyctanassa violacea | Nycticorax olsoni |
| Bộ | Pelecaniformes | Pelecaniformes |
| Họ | Ardeidae | Ardeidae |
| Tình Trạng Bảo Tồn | Least Concern | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 56,8 cm (22.4 in) | — |
| Khối Lượng | 703,75 g (24.82 oz) | 624,57 g (22.03 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 2-8 | -- |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Ascension Night-heron only
Không
Tình Trạng Bảo Tồn
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.