Slender-tailed Nightjar vs Lesser Nighthawk
Caprimulgus clarus comparado con Chordeiles acutipennis
Side-by-Side Comparison
| Atributo | Slender-tailed Nightjar | Lesser Nighthawk |
|---|---|---|
| Nombre científico | Caprimulgus clarus | Chordeiles acutipennis |
| Orden | Caprimulgiformes | Caprimulgiformes |
| Familia | Caprimulgidae | Caprimulgidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 29,6 cm (11.7 in) | 33,0 cm (13.0 in) |
| Peso | 43,0 g (1.52 oz) | 50,0 g (1.76 oz) |
| Dieta | Nocturnal aerial insectivore specialising in large moths and flying beetles, caught in slow erratic hunting … | Hawks small flying insects at dusk and dawn over North and South American arid scrub … |
| Tamaño de la puesta | 2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Ninguno
Slender-tailed Nightjar only
Lesser Nighthawk only
Song & Call Comparison
Slender-tailed Nightjar
Rapid churring trill; 'trrr-trrr' at steady pace; calls from East African dry scrub at night; lighter than Long-tailed Nightjar; alarm a quiet 'chek'
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
Slender-tailed Nightjar
Found from Angola and the DRC south through Zambia and Zimbabwe to South Africa. Resident in woodland and savanna near rocky outcrops.
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.
Estado de conservación
Slender-tailed Nightjar
Lesser Nighthawk
How to Tell Them Apart
Slender-tailed Nightjar
Pale brown upperparts with black streaks and buff-white spotting; whitish supercilium; white throat patch; underparts buff barred brown; males have elongated but narrower tail feathers than Long-tailed Nightjar.
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
Slender-tailed Nightjar
Chotacabras de Tanzania de 22–25 cm, endémico del África Oriental con distribución limitada en Tanzania y Kenia.
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.