Sickle-winged Nightjar
NameSickle-winged Nightjar
Common NameSickle-winged Nightjar
Scientific NameEleothreptus anomalus
FamilyCaprimulgidae
Wingspan (cm)45
Length (cm)21
Weight (g)47.5
Plumage DetailsPlumage is cryptically mottled with shades of brown, grey, and buff, providing excellent camouflage. It features dark streaks and spots across the back and wings, a pale throat patch, and white tips on the outer tail feathers. Males possess distinctive modified, sickle-shaped outer primary feathers.
Vocalization / CallIts vocalization is typically described as a soft, purring or trilling call, often given from the ground or a low perch, particularly at dusk and dawn.
Primary Dietinsectivore
Primary Habitatsgrassland, wetland
Conservation Statusvulnerable
Geographic RangeFound in southern South America, primarily in Paraguay, southern Brazil, northeastern Argentina, and Uruguay, inhabiting open grasslands and savannas, often near marshy areas.
Identifying FeaturesCryptic mottled brown and grey plumage, Nocturnal habits, Large dark eyes, Short bill with wide gape, Males have distinctive sickle-shaped outer primary feathers, White patches on throat and outer tail feathers
Description
The Sickle-winged Nightjar is a medium-sized, nocturnal bird with cryptic plumage, perfectly camouflaged against its grassland habitat. Males are distinguished by their unique sickle-shaped outer primary feathers. It feeds on insects caught in flight during the night.
