Yellow-crowned Night-Heron vs Ascension Night-heron
Nyctanassa violacea 비교 대상 Nycticorax olsoni
Side-by-Side Comparison
| 속성 | Yellow-crowned Night-Heron | Ascension Night-heron |
|---|---|---|
| 학명 | Nyctanassa violacea | Nycticorax olsoni |
| 목 | Pelecaniformes | Pelecaniformes |
| 과 | Ardeidae | Ardeidae |
| 보전 상태 | Least Concern | Not Evaluated |
| 체장 | — | — |
| 날개 폭 | 56.8 cm (22.4 in) | — |
| 체중 | 703.75 g (24.82 oz) | 624.57 g (22.03 oz) |
| 식성 | -- | -- |
| 산란 수 | 2-8 | -- |
| Population Trend | — | — |
Habitat Comparison
보전 상태
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.