Chirruping Nightjar vs Lesser Nighthawk
Caprimulgus griseatus dibandingkan dengan Chordeiles acutipennis
Side-by-Side Comparison
| Atribut | Chirruping Nightjar | Lesser Nighthawk |
|---|---|---|
| Nama Ilmiah | Caprimulgus griseatus | Chordeiles acutipennis |
| Ordo | Caprimulgiformes | Caprimulgiformes |
| Famili | Caprimulgidae | Caprimulgidae |
| Status Konservasi | Not Evaluated | Least Concern |
| Panjang | — | — |
| Rentang Sayap | — | 33,0 cm (13.0 in) |
| Berat | — | 50,0 g (1.76 oz) |
| Diet | -- | Hawks small flying insects at dusk and dawn over North and South American arid scrub … |
| Ukuran Sarang | -- | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Habitat Bersama
None
Chirruping Nightjar only
Lesser Nighthawk only
Song & Call Comparison
Chirruping Nightjar
Distinctive chirruping trill; rapid high-pitched 'chi-chi-chi-rrr'; sharper and more staccato than typical Caprimulgus; calls at dusk from open habitats
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
Chirruping 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.
Status Konservasi
Chirruping Nightjar
Lesser Nighthawk
How to Tell Them Apart
Chirruping Nightjar
Grey-brown upperparts with blackish streaks and pale buff vermiculations; buff-white chin and throat; underparts barred pale buff and dark brown; recently split from Savanna Nightjar, differing in subtle plumage and …
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
Chirruping Nightjar
A small nightjar (20-22 cm) of dry scrub and semi-arid savanna in Colombia, Venezuela, and Guyana. Pale grey-brown plumage with fine streaking. Named for its chirruping, insect-like call delivered at dusk. Nocturnal insectivore, feeding on moths and beetles.
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.