Heinrich's Nightjar vs Lyre-tailed Nightjar
Eurostopodus diabolicus verglichen mit Uropsalis lyra
Side-by-Side Comparison
| Merkmal | Heinrich's Nightjar | Lyre-tailed Nightjar |
|---|---|---|
| Wissenschaftlicher Name | Eurostopodus diabolicus | Uropsalis lyra |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Caprimulgidae | Caprimulgidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | — |
| Flügelspannweite | 39,9 cm (15.7 in) | 35,2 cm (13.9 in) |
| Gewicht | 104,0 g (3.67 oz) | 71,25 g (2.51 oz) |
| Ernährung | Nocturnal aerial insectivore; catches moths and beetles in flight over Sulawesi forest; poorly known. | Hawks moths and flying insects at night over Andean montane forest; male's enormously long tail … |
| Gelegegröße | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Heinrich's Nightjar
Haunting, hollow 'ku-WOO' repeated rhythmically; deep resonant quality; distinctive mournful whistle carrying through Sulawesi forest at night
Lyre-tailed Nightjar
Clear, melodic whistled phrase; 'wheeeoo' delivered from Andean ridges; males give repeated territorial whistle; alarm a sharp 'chek'; female call quieter and thinner
Geographic Range & Migration
Heinrich's Nightjar
Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.
Lyre-tailed Nightjar
Resident of Andean cloud forest and forest edge in Colombia, Ecuador, Peru, and Bolivia, at 1,000–2,500 m.
Erhaltungsstatus
Heinrich's Nightjar
Lyre-tailed Nightjar
How to Tell Them Apart
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.
Lyre-tailed Nightjar
Male dark brown with buff mottling; outer tail feathers massively elongated and curved outward forming lyre shape up to 60 cm; white throat. Female plain brown and buff mottled without …
About These Birds
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.
Lyre-tailed Nightjar
A medium Caprimulgidae nightjar (~71 g) of Andean cloud forests from Venezuela to Bolivia. Males bear enormously elongated outer tail feathers extending over three times the body length in a lyrate shape; females lack this ornamentation. Inhabits moist montane forest edges. Feeds on insects at night. Least Concern.