Prigogine's Nightjar vs Lesser Nighthawk
Caprimulgus prigoginei so với Chordeiles acutipennis
Side-by-Side Comparison
| Thuộc Tính | Prigogine's Nightjar | Lesser Nighthawk |
|---|---|---|
| Tên Khoa Học | Caprimulgus prigoginei | Chordeiles acutipennis |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Caprimulgidae | Caprimulgidae |
| Tình Trạng Bảo Tồn | Data Deficient | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 32,2 cm (12.7 in) | 33,0 cm (13.0 in) |
| Khối Lượng | 57,5 g (2.03 oz) | 50,0 g (1.76 oz) |
| Chế Độ Ăn | Nocturnal insectivore feeding on moths, termites, and flying beetles caught in aerial sallies over savanna … | Hawks small flying insects at dusk and dawn over North and South American arid scrub … |
| Số Trứng | -- | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Không
Prigogine's Nightjar only
Lesser Nighthawk only
Song & Call Comparison
Prigogine's Nightjar
Essentially unknown vocalizations; extremely rare Central African species; presumed churring trill; known from only two specimens; calls at night from forest
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
Prigogine's Nightjar
Found in Cameroon, Gabon, Equatorial Guinea, and the Republic of Congo. Resident in lowland rainforest and forest edge. Rare.
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.
Tình Trạng Bảo Tồn
Prigogine's Nightjar
Lesser Nighthawk
How to Tell Them Apart
Prigogine's Nightjar
Dark blackish-brown upperparts with pale buff mottling and streaking; whitish throat patch; buff and brown barred underparts; data-deficient Albertine Rift endemic known from limited specimens.
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
Prigogine's Nightjar
An extremely rare and poorly known nightjar described from a single specimen collected in the Itombwe Mountains of eastern Democratic Republic of Congo in 1955. No confirmed records since. Montane forest habitat. Classified as Endangered. Ecology virtually unknown.
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.