Lesser Nighthawk vs Spot-tailed Nightjar
Chordeiles acutipennis comparado com Hydropsalis maculicaudus
Side-by-Side Comparison
| Atributo | Lesser Nighthawk | Spot-tailed Nightjar |
|---|---|---|
| Nome científico | Chordeiles acutipennis | Hydropsalis maculicaudus |
| Ordem | Caprimulgiformes | Caprimulgiformes |
| Família | Caprimulgidae | Caprimulgidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 33,0 cm (13.0 in) | 25,8 cm (10.2 in) |
| Peso | 50,0 g (1.76 oz) | 32,125 g (1.13 oz) |
| Dieta | Hawks small flying insects at dusk and dawn over North and South American arid scrub … | Catches flying insects in nocturnal aerial pursuit over Central and South American grassland. |
| Tamanho da postura | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
Nenhum
Lesser Nighthawk only
Spot-tailed Nightjar only
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
Spot-tailed Nightjar
Soft, rhythmic churring; gentle 'trrr-trrr' from humid grassland; calls low from ground; quieter than most nightjars; alarm a subtle 'chek'; small and inconspicuous
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.
Spot-tailed Nightjar
Resident of open cerrado, scrub, and forest edge in interior South America from Venezuela and the Guianas south to Bolivia, Brazil, and Paraguay.
Estado de conservação
Lesser Nighthawk
Spot-tailed Nightjar
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 …
Spot-tailed Nightjar
Small; brown and buff mottled above; pale buff below with dark barring; white throat in male; distinctive white spots on rounded tail distinguishing it from similar Hydropsalis; buff throat in …
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.
Spot-tailed Nightjar
O bacurau-de-rabo-maculado é um bacurau noturno de pequeno porte encontrado em campos e savanas da América do Sul tropical, com padrão maculado na cauda.