Sulawesi Nightjar vs Spotted Nightjar

Caprimulgus celebensis dibandingkan dengan Eurostopodus argus

Side-by-Side Comparison

Atribut Sulawesi Nightjar Spotted Nightjar
Nama Ilmiah Caprimulgus celebensis Eurostopodus argus
Ordo Caprimulgiformes Caprimulgiformes
Famili Caprimulgidae Caprimulgidae
Status Konservasi Least Concern Least Concern
Panjang
Rentang Sayap 37,4 cm (14.7 in) 42,7 cm (16.8 in)
Berat 63,166666666666664 g (2.23 oz) 102,5 g (3.62 oz)
Diet -- Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian …
Ukuran Sarang -- 1
Population Trend

Habitat Comparison

Habitat Bersama

Sulawesi Nightjar only

None

Spotted Nightjar only

Song & Call Comparison

Sulawesi Nightjar

Kicauan

Loud churring call; hollow 'chuck' notes with extended trill; calls at night from Sulawesi forest and scrub; endemic; alarm a sharp bark note

Spotted Nightjar

Kicauan

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

Sulawesi Nightjar

Spotted Nightjar

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

Status Konservasi

Least Concern

Sulawesi Nightjar

Least Concern

Spotted Nightjar

How to Tell Them Apart

Sulawesi Nightjar

Bulu

Richly marked rufous-brown and dark grey upperparts; pale buff spotting on wing coverts; white throat patch; underparts buff-white barred brown; Sulawesi endemic showing warmer tones than many regional congeners.

Spotted Nightjar

Bulu

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

Sulawesi Nightjar

A medium-sized nightjar (24-26 cm) endemic to the island of Sulawesi, Indonesia. Inhabits lowland and montane forests. Dark brown plumage with cryptic patterning. Nocturnal insectivore. A sedentary species; limited ecological data available due to restricted range.

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.

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