Lesser Nighthawk vs White-tailed Nightjar
Chordeiles acutipennis comparado com Hydropsalis cayennensis
Side-by-Side Comparison
| Atributo | Lesser Nighthawk | White-tailed Nightjar |
|---|---|---|
| Nome científico | Chordeiles acutipennis | Hydropsalis cayennensis |
| Ordem | Caprimulgiformes | Caprimulgiformes |
| Família | Caprimulgidae | Caprimulgidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 33,0 cm (13.0 in) | 27,3 cm (10.7 in) |
| Peso | 50,0 g (1.76 oz) | 35,75 g (1.26 oz) |
| Dieta | Hawks small flying insects at dusk and dawn over North and South American arid scrub … | Aerial insectivore; catches moths, beetles, and flying insects at night over South American open and … |
| Tamanho da postura | 1-2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
Nenhum
Lesser Nighthawk only
White-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
White-tailed Nightjar
Rapid, whirring trill; 'churrrr' repeated with nasal quality; calls from open savanna and grassland at dusk; alarm a sharp bark; males display low over ground
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.
White-tailed Nightjar
Resident of open savanna and forest edge from Costa Rica through Colombia and Venezuela to the Guianas and northern Brazil; also Caribbean islands.
Estado de conservação
Lesser Nighthawk
White-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 …
White-tailed Nightjar
Male brown and grey mottled; white outer tail feathers diagnostic; white throat; small white wing spots; female has buff outer tail feathers and lacks white wing spots; scrubby savanna habitats.
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.
White-tailed Nightjar
O bacurau-de-rabo-branco é um bacurau noturno sul-americano com cauda caracteristicamente branca nos machos, encontrado em savanas e áreas abertas da América do Sul.