Sickle-winged Nightjar
Eleothreptus anomalus
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关于
体重约44克的小型夜鹰，栖息于南美洲东南部湿润潘帕斯草地。雄鸟具镰刀形翅膀轮廓。易危。
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| 翼展 | 25.8 cm | 10.2 in |
| 体重 | 43.7 g | 1.54 oz |
识别
羽毛
Male with extraordinarily elongated sickle-shaped outer primaries; dark brown with buff mottling; white throat and wing spots. Female brown with buff spots; normal wing shape; male wing shape unique among nightjars.
Habitat & Range
分布范围
Resident of open marshland, wet grassland, and savanna from Paraguay and adjacent Bolivia south to Uruguay and northeastern Argentina.
Diet & Feeding
Aerial insectivore; hawks moths and beetles at night over South American wet grassland and marshes.
保护状况
行为与繁殖
产卵数
2
声音
鸣唱
Soft churring call; low-pitched, repetitive trill from grassland; males produce distinctive wing noise in display flight; vocalizations quiet compared to wing sounds
分类学
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| 目 | Caprimulgiformes (Nightjars & Swifts) |
| 科 | Caprimulgidae (Nightjars) |
| Genus | Eleothreptus |
| 物种 | Eleothreptus anomalus |
Distribution
Sickle-winged Nightjar has been recorded in 1 countries.
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External Databases
常见问题
What does the Sickle-winged Nightjar eat?
Where does the Sickle-winged Nightjar live?
Is the Sickle-winged Nightjar endangered?
What does the Sickle-winged Nightjar sound like?
How big is the Sickle-winged Nightjar?
What order and family does the Sickle-winged Nightjar belong to?
Similar Birds
Other species in the Caprimulgidae family