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Sickle-winged Nightjar

Eleothreptus anomalus

Vulnerable
翼展
25.8 cm
体重
43.7 g
Caprimulgidae
Caprimulgiformes

The Sickle-winged Nightjar (Eleothreptus anomalus) is a bird species in the family Caprimulgidae (nightjars), within the order Caprimulgiformes (nightjars & swifts). Recorded measurements include a wingspan of 25.8 cm and a weight of 43.7 g. The IUCN Red List classifies it as Vulnerable.

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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

Vulnerable
IUCN Red List

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
Caprimulgiformes (Nightjars & Swifts)
Caprimulgidae (Nightjars)
Genus Eleothreptus
物种 Eleothreptus anomalus

Distribution

Sickle-winged Nightjar has been recorded in 1 countries.

出现 Not recorded

countries highlighted

External Databases

常见问题

What does the Sickle-winged Nightjar eat?
Aerial insectivore; hawks moths and beetles at night over South American wet grassland and marshes.
Where does the Sickle-winged Nightjar live?
Resident of open marshland, wet grassland, and savanna from Paraguay and adjacent Bolivia south to Uruguay and northeastern Argentina.
Is the Sickle-winged Nightjar endangered?
The Sickle-winged Nightjar has a conservation status of Vulnerable.
What does the Sickle-winged Nightjar sound like?
Soft churring call; low-pitched, repetitive trill from grassland; males produce distinctive wing noise in display flight; vocalizations quiet compared to wing sounds
How big is the Sickle-winged Nightjar?
The Sickle-winged Nightjar has a wingspan of 25.8 cm, weight of 43.7 g.
What order and family does the Sickle-winged Nightjar belong to?
The Sickle-winged Nightjar (Eleothreptus anomalus) belongs to the order Caprimulgiformes and the family Caprimulgidae.

Similar Birds

Other species in the Caprimulgidae family

比较

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