Timor Nightjar vs Heinrich's Nightjar

Caprimulgus ritae dibandingkan dengan Eurostopodus diabolicus

Side-by-Side Comparison

Atribut Timor Nightjar Heinrich's Nightjar
Nama Ilmiah Caprimulgus ritae Eurostopodus diabolicus
Ordo Caprimulgiformes Caprimulgiformes
Famili Caprimulgidae Caprimulgidae
Status Konservasi Not Evaluated Least Concern
Panjang
Rentang Sayap 39,9 cm (15.7 in)
Berat 104,0 g (3.67 oz)
Diet Feeds nocturnally on moths and beetles caught in sustained low hawking flights over open and … Nocturnal aerial insectivore; catches moths and beetles in flight over Sulawesi forest; poorly known.
Ukuran Sarang -- 1
Population Trend

Habitat Comparison

Habitat Bersama

Timor Nightjar only

None

Heinrich's Nightjar only

None

Song & Call Comparison

Timor Nightjar

Kicauan

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

Heinrich's Nightjar

Kicauan

Haunting, hollow 'ku-WOO' repeated rhythmically; deep resonant quality; distinctive mournful whistle carrying through Sulawesi forest at night

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.

Heinrich's Nightjar

Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.

Status Konservasi

Not Evaluated

Timor Nightjar

Least Concern

Heinrich's Nightjar

How to Tell Them Apart

Timor Nightjar

Bulu

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.

Heinrich's Nightjar

Bulu

Rufous-brown and dark brown mottled with buff vermiculations; large pale buff throat patch; pale buff supercilium; no white wing markings; tail darkly barred brown and buff. Poorly known; Sulawesi endemic.

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.

Heinrich's Nightjar

A medium Caprimulgidae nightjar (~104 g) endemic to the forest and forest-edge habitats of Sulawesi, Indonesia. Cryptically patterned brown-and-buff. Nocturnal insectivore; catches moths and beetles in aerial sallies. Little studied and rarely encountered in the field. Least Concern within its Sulawesi range.

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