Lesser Nighthawk vs Least Nighthawk
Chordeiles acutipennis verglichen mit Chordeiles pusillus
Side-by-Side Comparison
| Merkmal | Lesser Nighthawk | Least Nighthawk |
|---|---|---|
| Wissenschaftlicher Name | Chordeiles acutipennis | Chordeiles pusillus |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Caprimulgidae | Caprimulgidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | — |
| Flügelspannweite | 33,0 cm (13.0 in) | 25,0 cm (9.8 in) |
| Gewicht | 50,0 g (1.76 oz) | 29,733333333333334 g (1.05 oz) |
| Ernährung | Hawks small flying insects at dusk and dawn over North and South American arid scrub … | Catches small flying insects in aerial pursuit over South American scrub and open areas; crepuscular. |
| Gelegegröße | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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
Least Nighthawk
High-pitched, buzzy trill; thin 'pee-pee-pee' series; soft churring from ground; tiny size matched by high, reedy call quality; rarely loud
Geographic Range & Migration
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.
Least Nighthawk
Resident of open savanna and cerrado in interior South America from Venezuela and the Guianas south to Bolivia and central Brazil.
Erhaltungsstatus
Lesser Nighthawk
Least Nighthawk
How to Tell Them Apart
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 …
Least Nighthawk
Smallest Chordeiles; brown and buff mottled above; pale buff underparts with dark barring; small white throat patch in male; narrow white wing bar; white or buff tail spots. Female has …
About These Birds
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.
Least Nighthawk
The smallest Chordeiles nighthawk (~30 g), family Caprimulgidae, inhabiting open cerrado, caatinga, and rocky savanna in eastern and central South America. Very small with brown and buff cryptic plumage; white tail band in males. Hunts small insects aerially at dusk. Least Concern in open lowland habitats.