Long-tailed Nightjar vs Heinrich's Nightjar
Caprimulgus climacurus verglichen mit Eurostopodus diabolicus
Side-by-Side Comparison
| Merkmal | Long-tailed Nightjar | Heinrich's Nightjar |
|---|---|---|
| Wissenschaftlicher Name | Caprimulgus climacurus | Eurostopodus diabolicus |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Caprimulgidae | Caprimulgidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | — |
| Flügelspannweite | 28,6 cm (11.3 in) | 39,9 cm (15.7 in) |
| Gewicht | 48,333333333333336 g (1.70 oz) | 104,0 g (3.67 oz) |
| Ernährung | Crepuscular to nocturnal; feeds predominantly on moths and flying beetles, hawked in open flight near … | Nocturnal aerial insectivore; catches moths and beetles in flight over Sulawesi forest; poorly known. |
| Gelegegröße | 2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Gemeinsame Lebensräume
Long-tailed Nightjar only
Heinrich's Nightjar only
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Song & Call Comparison
Long-tailed Nightjar
Churring trill with hollow 'cuck' notes; 'cuck-churr-cuck' pattern; calls from West African woodland at night; alarm a sharp bark; persistent caller in dry season
Heinrich's Nightjar
Haunting, hollow 'ku-WOO' repeated rhythmically; deep resonant quality; distinctive mournful whistle carrying through Sulawesi forest at night
Geographic Range & Migration
Long-tailed Nightjar
Found in East Africa from Ethiopia south to Kenya and Tanzania. Resident in open bushland. Male has elongated outer tail feathers with bare shafts.
Heinrich's Nightjar
Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.
Erhaltungsstatus
Long-tailed Nightjar
Heinrich's Nightjar
How to Tell Them Apart
Long-tailed Nightjar
Brown and black cryptic upperparts; white throat patch; males sport extremely elongated central tail feathers twice body length with bare white rachis; females much shorter-tailed; West African savanna specialist.
Heinrich's Nightjar
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
Long-tailed Nightjar
A slender nightjar (21-28 cm including elongated tail streamers) found in open woodlands and savanna across sub-Saharan Africa. Males have extraordinarily long central tail feathers during breeding season. Nocturnal insectivore; an intra-African migrant following seasonal rainfall.
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.