Montane Nightjar vs Lesser Nighthawk
Caprimulgus poliocephalus в сравнении с Chordeiles acutipennis
Side-by-Side Comparison
| Характеристика | Montane Nightjar | Lesser Nighthawk |
|---|---|---|
| Научное название | Caprimulgus poliocephalus | Chordeiles acutipennis |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Caprimulgidae | Caprimulgidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 31,1 cm (12.2 in) | 33,0 cm (13.0 in) |
| Масса | 47,050000000000004 g (1.66 oz) | 50,0 g (1.76 oz) |
| Питание | -- | Hawks small flying insects at dusk and dawn over North and South American arid scrub … |
| Размер кладки | 2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Montane Nightjar
Churring trill from East African highlands; repetitive 'churr-churr-churr'; slightly higher pitched than lowland species; calls from highland scrub and forest edge
Lesser Nighthawk
Loud purring trill; buzzy 'brrrrr' given in flight; lower and softer than Common Nighthawk; males display with booming wingbeats; calls at dusk over deserts
Geographic Range & Migration
Montane Nightjar
Lesser Nighthawk
Breeds in open arid scrub from southwestern USA south through Central America to western South America; winters in Mexico and northern South America.
Охранный статус
Montane Nightjar
Lesser Nighthawk
How to Tell Them Apart
Montane Nightjar
Grey-brown upperparts with fine blackish streaks; pale grey head contrasting slightly with browner back; white throat patch; underparts buff barred brown; inhabits high-altitude montane zones in East Africa.
Lesser Nighthawk
Brown and buff mottled above; buff-white below with brown barring; white throat in male; white wing bar closer to wingtip than in Common Nighthawk; buff tail band. Female with buff …
About These Birds
Montane Nightjar
A medium-sized nightjar (23-24 cm) found in montane forests and high-altitude grasslands of eastern and southern Africa, from Ethiopia to South Africa. Grey-brown plumage with fine mottling. Nocturnal insectivore, feeding above the forest canopy. Resident at elevations above 1,500 m.
Lesser Nighthawk
A small Caprimulgidae nighthawk (~50 g) of deserts, semi-arid scrub, and open woodland from the southwestern United States to Peru and Brazil. Brown-and-buff patterned; males have a white throat bar. Low, buoyant flight close to the ground at dusk. Hunts insects aerially. Migratory; Least Concern.