Nechisar Nightjar vs Lesser Nighthawk
Caprimulgus solala в сравнении с Chordeiles acutipennis
Side-by-Side Comparison
| Характеристика | Nechisar Nightjar | Lesser Nighthawk |
|---|---|---|
| Научное название | Caprimulgus solala | Chordeiles acutipennis |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Caprimulgidae | Caprimulgidae |
| Охранный статус | Vulnerable | Least Concern |
| Длина | — | — |
| Размах крыльев | 37,0 cm (14.6 in) | 33,0 cm (13.0 in) |
| Масса | 79,0 g (2.79 oz) | 50,0 g (1.76 oz) |
| Питание | Nocturnal aerial insectivore; hawks moths and flying beetles over arid scrubland and rocky desert margins. | Hawks small flying insects at dusk and dawn over North and South American arid scrub … |
| Размер кладки | -- | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Нет
Nechisar Nightjar only
Lesser Nighthawk only
Song & Call Comparison
Nechisar Nightjar
Virtually unknown vocalizations; known only from a single wing feather; presumed churring song; critically rare Ethiopian endemic with essentially undescribed call
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
Nechisar Nightjar
Found across the Sahel from Senegal east to Ethiopia and south to Uganda and Kenya. Resident in open savanna and dry grassland.
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.
Охранный статус
Nechisar Nightjar
Lesser Nighthawk
How to Tell Them Apart
Nechisar Nightjar
Known from a single wing feather specimen; dark brownish-black with pale buff and tawny mottling; intricate fine vermiculations consistent with Caprimulgus pattern; extremely poorly known Ethiopian endemic.
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
Nechisar Nightjar
An enigmatic and critically rare nightjar known from a single specimen and feather samples collected in the Nechisar Plains of southern Ethiopia in 1990. No confirmed sightings since. Classified as Critically Endangered. Its ecology, range, and population remain virtually unknown.
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.