Timor Nightjar vs Lesser Nighthawk
Caprimulgus ritae so với Chordeiles acutipennis
Side-by-Side Comparison
| Thuộc Tính | Timor Nightjar | Lesser Nighthawk |
|---|---|---|
| Tên Khoa Học | Caprimulgus ritae | Chordeiles acutipennis |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Caprimulgidae | Caprimulgidae |
| Tình Trạng Bảo Tồn | Not Evaluated | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | — | 33,0 cm (13.0 in) |
| Khối Lượng | — | 50,0 g (1.76 oz) |
| Chế Độ Ăn | Feeds nocturnally on moths and beetles caught in sustained low hawking flights over open and … | Hawks small flying insects at dusk and dawn over North and South American arid scrub … |
| Số Trứng | -- | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Timor Nightjar
Poorly documented; presumed churring calls similar to Large-tailed Nightjar complex; vocalizations from Timor essentially unrecorded; calls at dusk from scrub
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
Timor Nightjar
Endemic to the Andaman and Nicobar Islands in the eastern Indian Ocean. Resident in forest edge, secondary growth, and coastal 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.
Tình Trạng Bảo Tồn
Timor Nightjar
Lesser Nighthawk
How to Tell Them Apart
Timor Nightjar
Dark sooty-brown upperparts densely patterned with blackish streaks and pale buff spots; whitish throat band; underparts buff with dark brown barring; restricted to Timor with limited information on plumage variation.
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
Timor Nightjar
A medium-sized nightjar endemic to the island of Timor in the Lesser Sundas, Indonesia. Cryptic brown plumage adapted to dry monsoon forest habitats. Nocturnal insectivore. Limited published information on ecology; considered a range-restricted species requiring further study.
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.