Sombre Nightjar vs Lesser Nighthawk
Caprimulgus fraenatus comparado com Chordeiles acutipennis
Side-by-Side Comparison
| Atributo | Sombre Nightjar | Lesser Nighthawk |
|---|---|---|
| Nome científico | Caprimulgus fraenatus | Chordeiles acutipennis |
| Ordem | Caprimulgiformes | Caprimulgiformes |
| Família | Caprimulgidae | Caprimulgidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 32,4 cm (12.8 in) | 33,0 cm (13.0 in) |
| Peso | 60,0 g (2.12 oz) | 50,0 g (1.76 oz) |
| Dieta | Feeds at night on flying insects including moths and beetles; hunts with buoyant erratic flight … | Hawks small flying insects at dusk and dawn over North and South American arid scrub … |
| Tamanho da postura | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
Nenhum
Sombre Nightjar only
Lesser Nighthawk only
Song & Call Comparison
Sombre Nightjar
Monotonous churring trill; repetitive 'churr' at moderate tempo from East African scrub; lower-pitched and less musical than some relatives; calls persistently at night
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
Sombre Nightjar
Found across East Africa from Ethiopia and Somalia south to Tanzania. Resident in dry acacia scrub, thornbush, and arid savanna at low elevations.
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 conservação
Sombre Nightjar
Lesser Nighthawk
How to Tell Them Apart
Sombre Nightjar
Uniformly dark sooty-brown upperparts with dense blackish vermiculations; pale buff supercilium and narrow white submoustachial stripe; underparts barred buff and dark brown. Sexes similar.
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
Sombre Nightjar
Noitibó-freado de 22–25 cm, habita arbustos áridos e savanas do nordeste da África.
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.