Spotted Nightjar vs Todd's Nightjar

Eurostopodus argus compared with Setopagis heterura

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Side-by-Side Comparison

Attribute Spotted Nightjar Todd's Nightjar
Scientific Name Eurostopodus argus Setopagis heterura
Order Caprimulgiformes Caprimulgiformes
Family Caprimulgidae Caprimulgidae
Conservation Status Least Concern Least Concern
Length
Wingspan 42.7 cm (16.8 in) 27.8 cm (10.9 in)
Weight 102.5 g (3.62 oz) 36.5 g (1.29 oz)
Diet Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian … Aerial insectivore; catches moths and beetles in nocturnal flight over South American savanna and scrub.
Clutch Size 1 2
Population Trend
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Habitat Comparison

Shared Habitats

None

Spotted Nightjar only

Todd's Nightjar only

None

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Song & Call Comparison

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

Todd's Nightjar

Song

Rapid churring trill; nasal 'trrr-trrr' phrases repeated at dusk; calls from savanna and open woodland; poorly documented; higher-pitched than most Setopagis

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Geographic Range & Migration

Spotted Nightjar

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

Todd's Nightjar

Resident of open woodland and savanna in Colombia, Venezuela, Trinidad, and the Guianas; also found in adjacent northern Brazil.

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Conservation Status

Least Concern

Spotted Nightjar

Least Concern

Todd's Nightjar

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How to Tell Them Apart

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 …

Todd's Nightjar

Plumage

Brown and grey mottled with dark vermiculations; white throat patch in male; white spots on outer tail feathers in male; buff on throat and tail in female; no white wing …

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About These Birds

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.

Todd's Nightjar

A small Caprimulgidae nightjar (~37 g) of open woodland and savanna in Trinidad and the Llanos of Venezuela and Colombia. Cryptically patterned brown-and-buff; white throat mark visible. Nocturnal; calls persistently at night. Feeds on flying insects. Similar to Spot-tailed but distinguished by call and range. Least Concern.

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