Timor Nightjar vs Spotted Nightjar

Caprimulgus ritae compared with Eurostopodus argus

Side-by-Side Comparison

Attribute Timor Nightjar Spotted Nightjar
Scientific Name Caprimulgus ritae Eurostopodus argus
Order Caprimulgiformes Caprimulgiformes
Family Caprimulgidae Caprimulgidae
Conservation Status Not Evaluated Least Concern
Length
Wingspan 42.7 cm (16.8 in)
Weight 102.5 g (3.62 oz)
Diet Feeds nocturnally on moths and beetles caught in sustained low hawking flights over open and … Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian …
Clutch Size -- 1
Population Trend

Habitat Comparison

Shared Habitats

Timor Nightjar only

None

Spotted Nightjar only

Song & Call Comparison

Timor Nightjar

Song

Poorly documented; presumed churring calls similar to Large-tailed Nightjar complex; vocalizations from Timor essentially unrecorded; calls at dusk from scrub

Spotted Nightjar

Song

Loud churring 'good-lord-deliver-us' repeated at dusk; melodic bubbling quality; also emits hollow 'cow-cow-cow' series and soft frog-like croaking

Geographic Range & Migration

Timor Nightjar

Endemic to the Andaman and Nicobar Islands in the eastern Indian Ocean. Resident in forest edge, secondary growth, and coastal scrub.

Spotted Nightjar

Resident and partial migrant of open woodland, grassland, and scrub across mainland Australia and migrating to New Guinea and Indonesia in winter.

Conservation Status

Not Evaluated

Timor Nightjar

Least Concern

Spotted Nightjar

How to Tell Them Apart

Timor Nightjar

Plumage

Dark sooty-brown upperparts densely patterned with blackish streaks and pale buff spots; whitish throat band; underparts buff with dark brown barring; restricted to Timor with limited information on plumage variation.

Spotted Nightjar

Plumage

Cryptically mottled grey-brown, rufous, and black with intricate vermiculations; distinctive large white spots on wing coverts; white throat patch; no white in wings or tail. Sexes similar with slight pattern …

About These Birds

Timor Nightjar

A medium-sized nightjar endemic to the island of Timor in the Lesser Sundas, Indonesia. Cryptic brown plumage adapted to dry monsoon forest habitats. Nocturnal insectivore. Limited published information on ecology; considered a range-restricted species requiring further study.

Spotted Nightjar

A medium Caprimulgidae nightjar (~103 g) of open woodland, spinifex grassland, and rocky ridges across mainland Australia. Intricately spotted and barred brown, grey, and buff. Cryptic by day on the ground among leaf litter. Crepuscular and nocturnal; feeds on flying insects caught in aerial pursuit. Least Concern.

More Birds to Explore

Explore the Nature FYI Family