Yellow-crowned Night-Heron vs Réunion Night-Heron
Nyctanassa violacea 对比 Nycticorax duboisi
Side-by-Side Comparison
| 属性 | Yellow-crowned Night-Heron | Réunion Night-Heron |
|---|---|---|
| 学名 | Nyctanassa violacea | Nycticorax duboisi |
| 目 | Pelecaniformes | Pelecaniformes |
| 科 | Ardeidae | Ardeidae |
| 保护状况 | Least Concern | Extinct |
| 体长 | — | — |
| 翼展 | 56.8 cm (22.4 in) | — |
| 体重 | 703.75 g (24.82 oz) | — |
| 食性 | -- | -- |
| 产卵数 | 2-8 | -- |
| Population Trend | — | — |
Habitat Comparison
保护状况
Yellow-crowned Night-Heron
Réunion 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 …
Réunion Night-Heron
The Réunion Night-Heron (Nycticorax duboisi) is an extinct species of night-heron belonging to the family Ardeidae, formerly endemic to the island of Réunion in the southwestern Indian Ocean. The species is known only from a brief historical description by the early European traveler Dubois, who visited Réunion in 1671–1672 and described a large, gray-colored bird with a white belly that was hunted and eaten by settlers. No specimens are known to exist in museum collections, and no skeletal remains have …