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Overview
Sulawesi nightjar

Sulawesi nightjar

Wikipedia

The Sulawesi nightjar is a species of nightjar in the family Caprimulgidae. It is endemic to Indonesia, where it occurs on Sulawesi and the Sula Islands. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical mangrove forests.

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Distribution

Region

Wallacea (Indonesia)

Typical Environment

Found on Sulawesi and the Sula Islands in lowland habitats. It frequents tropical moist lowland forests, mangrove forests, coastal scrub, and forest edges. The species often hunts along rivers, roads, and clearings where insects congregate. It roosts on the ground or low open patches with leaf litter, relying on camouflage.

Altitude Range

Sea level to 800 m

Climate Zone

Tropical

Characteristics

Size21–24 cm
Wing Span43–50 cm
Male Weight0.07 kg
Female Weight0.065 kg
Life Expectancy8 years

Ease of Keeping

Beginner friendly: 2/5

Useful to know

This cryptic nightjar roosts on the ground by day and relies on mottled plumage to blend with leaf litter. It becomes active at dusk, when its soft trills and churring notes reveal its presence along forest edges and mangroves. Like other nightjars, it has a very wide gape to catch flying insects on the wing.

Behaviour

Temperament

nocturnal and secretive

Flight Pattern

buoyant, moth-like flight with short rapid wingbeats and brief glides

Social Behavior

Usually solitary or in pairs. Nests directly on the ground on leaf litter with minimal or no nest structure, typically laying a single egg. Roosts motionless by day, relying on camouflage; becomes active around dusk and dawn.

Migratory Pattern

Resident

Song Description

A soft, rolling churr interspersed with repeated tchik or chuck notes. Males vocalize from low perches or the ground at dusk and pre-dawn, sometimes delivering extended sequences.

Identification

Leg Colorbrownish-grey
Eye Colordark brown

Plumage

Cryptically mottled brown, grey, and rufous with fine barring and vermiculation; soft, loose-textured feathers give a shaggy outline when at rest.

Feeding Habits

Diet

Primarily aerial insects such as moths, beetles, termites, and flying ants. Catches prey on the wing using a wide gape and rictal bristles to help funnel insects. Often forages along edges and open corridors where insect density is high.

Preferred Environment

Hunts over forest edges, clearings, mangroves, riverbanks, and along roads or tracks. Will also sally from low perches over open patches or above canopy gaps.

Population

Total Known Populationunknown

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