Eastern Whip-poor-will vs Lesser Nighthawk
Antrostomus vociferus مقارنةً بـ Chordeiles acutipennis
Side-by-Side Comparison
| السمة | Eastern Whip-poor-will | Lesser Nighthawk |
|---|---|---|
| الاسم العلمي | Antrostomus vociferus | Chordeiles acutipennis |
| الرتبة | Caprimulgiformes | Caprimulgiformes |
| الفصيلة | Caprimulgidae | Caprimulgidae |
| حالة الحفاظ | Near Threatened | Least Concern |
| الطول | — | — |
| طول الجناح | 30,9 cm (12.2 in) | 33,0 cm (13.0 in) |
| الوزن | 53,099999999999994 g (1.87 oz) | 50,0 g (1.76 oz) |
| النظام الغذائي | Aerial insectivore; catches large moths and flying insects at night over North American forest and … | Hawks small flying insects at dusk and dawn over North and South American arid scrub … |
| عدد البيض في الوضع | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Eastern Whip-poor-will
Loud, clear 'whip-POOR-WILL' repeated hundreds of times; emphatic burry whistle; iconic nocturnal forest sound of eastern North America; male calls incessantly at dusk
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
Eastern Whip-poor-will
Breeds in open woodland and forest edge in eastern North America from southern Canada to the Gulf Coast; winters in Central America and Mexico.
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.
حالة الحفاظ
Eastern Whip-poor-will
Lesser Nighthawk
How to Tell Them Apart
Eastern Whip-poor-will
Grey-brown and buff mottled above with dark vermiculations; white gorget in male; pale buff barred underparts; white tips on outer tail feathers in male; female with buff gorget and buff …
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
Eastern Whip-poor-will
A medium Caprimulgidae nightjar (~53 g) of dry open forest in eastern North America, famous for its insistent 'whip-poor-will' call repeated hundreds of times. Mottled grey-brown plumage. Winters in Central America. Feeds on moths and beetles in aerial pursuit. Near Threatened from insect declines and forest fragmentation.
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.