Golden Nightjar vs Lesser Nighthawk
Caprimulgus eximius เปรียบเทียบกับ Chordeiles acutipennis
Side-by-Side Comparison
| คุณสมบัติ | Golden Nightjar | Lesser Nighthawk |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Caprimulgus eximius | Chordeiles acutipennis |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Caprimulgidae | Caprimulgidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 36.4 cm (14.3 in) | 33.0 cm (13.0 in) |
| น้ำหนัก | 54.2 g (1.91 oz) | 50.0 g (1.76 oz) |
| อาหาร | Nocturnal moth hawker; also takes beetles and winged termites in erratic aerial pursuits above dry … | Hawks small flying insects at dusk and dawn over North and South American arid scrub … |
| จำนวนไข่ | 2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Golden Nightjar
Churring trill; repetitive 'chrrrr' from Sahel sandy scrub; calls at night from open terrain; alarm a sharp bark; poorly recorded for such a distinctive species
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
Golden Nightjar
Found in the Sahel zone of West Africa from Mauritania and Senegal east to Niger and Chad. Resident in sandy semi-desert and open scrub.
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.
สถานะการอนุรักษ์
Golden Nightjar
Lesser Nighthawk
How to Tell Them Apart
Golden Nightjar
Striking golden-ochre and black plumage; upperparts rich tawny-gold with bold black streaks; wings show large golden-buff spots on coverts; white throat and tail corners in males; uniquely warm coloration among …
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
Golden Nightjar
A striking nightjar (23 cm) with rich golden-buff plumage and bold tawny markings, unique among nightjars. Inhabits arid Sahel scrub and semi-desert zones across northern sub-Saharan Africa. Nocturnal insectivore, feeding on beetles and moths in low flight over open ground.
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.