Long-tailed Nightjar vs Spotted Nightjar
Caprimulgus climacurus เปรียบเทียบกับ Eurostopodus argus
Side-by-Side Comparison
| คุณสมบัติ | Long-tailed Nightjar | Spotted Nightjar |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Caprimulgus climacurus | Eurostopodus argus |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Caprimulgidae | Caprimulgidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 28.6 cm (11.3 in) | 42.7 cm (16.8 in) |
| น้ำหนัก | 48.333333333333336 g (1.70 oz) | 102.5 g (3.62 oz) |
| อาหาร | Crepuscular to nocturnal; feeds predominantly on moths and flying beetles, hawked in open flight near … | Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian … |
| จำนวนไข่ | 2 | 1 |
| Population Trend | — | — |
Habitat Comparison
ถิ่นที่อยู่อาศัยร่วมกัน
Long-tailed Nightjar only
Spotted Nightjar 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
Spotted Nightjar
Loud churring 'good-lord-deliver-us' repeated at dusk; melodic bubbling quality; also emits hollow 'cow-cow-cow' series and soft frog-like croaking
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.
Spotted Nightjar
Resident and partial migrant of open woodland, grassland, and scrub across mainland Australia and migrating to New Guinea and Indonesia in winter.
สถานะการอนุรักษ์
Long-tailed Nightjar
Spotted Nightjar
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.
Spotted Nightjar
Cryptically mottled grey-brown, rufous, and black with intricate vermiculations; distinctive large white spots on wing coverts; white throat patch; no white in wings or tail. Sexes similar with slight pattern …
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.
Spotted Nightjar
A medium Caprimulgidae nightjar (~103 g) of open woodland, spinifex grassland, and rocky ridges across mainland Australia. Intricately spotted and barred brown, grey, and buff. Cryptic by day on the ground among leaf litter. Crepuscular and nocturnal; feeds on flying insects caught in aerial pursuit. Least Concern.