Sulawesi Nightjar vs Lesser Nighthawk
Caprimulgus celebensis comparé à Chordeiles acutipennis
Side-by-Side Comparison
| Attribut | Sulawesi Nightjar | Lesser Nighthawk |
|---|---|---|
| Nom scientifique | Caprimulgus celebensis | Chordeiles acutipennis |
| Ordre | Caprimulgiformes | Caprimulgiformes |
| Famille | Caprimulgidae | Caprimulgidae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | — |
| Envergure | 37,4 cm (14.7 in) | 33,0 cm (13.0 in) |
| Poids | 63,166666666666664 g (2.23 oz) | 50,0 g (1.76 oz) |
| Régime alimentaire | -- | Hawks small flying insects at dusk and dawn over North and South American arid scrub … |
| Taille de la couvée | -- | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Sulawesi Nightjar
Loud churring call; hollow 'chuck' notes with extended trill; calls at night from Sulawesi forest and scrub; endemic; alarm a sharp bark note
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
Sulawesi 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.
Statut de conservation
Sulawesi Nightjar
Lesser Nighthawk
How to Tell Them Apart
Sulawesi Nightjar
Richly marked rufous-brown and dark grey upperparts; pale buff spotting on wing coverts; white throat patch; underparts buff-white barred brown; Sulawesi endemic showing warmer tones than many regional congeners.
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
Sulawesi Nightjar
A medium-sized nightjar (24-26 cm) endemic to the island of Sulawesi, Indonesia. Inhabits lowland and montane forests. Dark brown plumage with cryptic patterning. Nocturnal insectivore. A sedentary species; limited ecological data available due to restricted range.
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.