Long-tailed Nightjar vs Lesser Nighthawk
Caprimulgus climacurus مقارنةً بـ Chordeiles acutipennis
Side-by-Side Comparison
| السمة | Long-tailed Nightjar | Lesser Nighthawk |
|---|---|---|
| الاسم العلمي | Caprimulgus climacurus | Chordeiles acutipennis |
| الرتبة | Caprimulgiformes | Caprimulgiformes |
| الفصيلة | Caprimulgidae | Caprimulgidae |
| حالة الحفاظ | Least Concern | Least Concern |
| الطول | — | — |
| طول الجناح | 28,6 cm (11.3 in) | 33,0 cm (13.0 in) |
| الوزن | 48,333333333333336 g (1.70 oz) | 50,0 g (1.76 oz) |
| النظام الغذائي | Crepuscular to nocturnal; feeds predominantly on moths and flying beetles, hawked in open flight near … | Hawks small flying insects at dusk and dawn over North and South American arid scrub … |
| عدد البيض في الوضع | 2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
الموائل المشتركة
Long-tailed Nightjar only
Lesser Nighthawk only
Song & Call Comparison
Long-tailed Nightjar
Churring trill with hollow 'cuck' notes; 'cuck-churr-cuck' pattern; calls from West African woodland at night; alarm a sharp bark; persistent caller in dry season
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
Long-tailed Nightjar
Found in East Africa from Ethiopia south to Kenya and Tanzania. Resident in open bushland. Male has elongated outer tail feathers with bare shafts.
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
Long-tailed Nightjar
Lesser Nighthawk
How to Tell Them Apart
Long-tailed Nightjar
Brown and black cryptic upperparts; white throat patch; males sport extremely elongated central tail feathers twice body length with bare white rachis; females much shorter-tailed; West African savanna specialist.
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
Long-tailed Nightjar
A slender nightjar (21-28 cm including elongated tail streamers) found in open woodlands and savanna across sub-Saharan Africa. Males have extraordinarily long central tail feathers during breeding season. Nocturnal insectivore; an intra-African migrant following seasonal rainfall.
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.