Large-tailed Nightjar vs Spotted Nightjar
Caprimulgus macrurus в сравнении с Eurostopodus argus
Side-by-Side Comparison
| Характеристика | Large-tailed Nightjar | Spotted Nightjar |
|---|---|---|
| Научное название | Caprimulgus macrurus | Eurostopodus argus |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Caprimulgidae | Caprimulgidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 35,8 cm (14.1 in) | 42,7 cm (16.8 in) |
| Масса | 69,16666666666667 g (2.44 oz) | 102,5 g (3.62 oz) |
| Питание | Nocturnal feeder on flying insects including moths, beetles, and larger dipterans; hunts in low coursing … | Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian … |
| Размер кладки | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Large-tailed Nightjar only
Spotted Nightjar only
Нет
Song & Call Comparison
Large-tailed Nightjar
Loud, resonant 'chuck-chuck-churr'; hollow knocking notes with long trill; one of Asia's commonest nightjars; calls persistently from forest edges; carries great distance
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
Large-tailed Nightjar
Found from India and Sri Lanka east to the Philippines and northern Australia. Resident in forest edge, secondary growth, and plantations.
Spotted Nightjar
Resident and partial migrant of open woodland, grassland, and scrub across mainland Australia and migrating to New Guinea and Indonesia in winter.
Охранный статус
Large-tailed Nightjar
Spotted Nightjar
How to Tell Them Apart
Large-tailed Nightjar
Intricately patterned brown, black, and buff upperparts; pale supercilium contrasts with dark crown; white throat patch; males show conspicuous white outer tail feathers and white primary spots; long tail distinctive.
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
Large-tailed Nightjar
A large nightjar (25-33 cm) widespread from South and Southeast Asia to Australasia. Brown plumage with bold rufous collar patches. Crepuscular and nocturnal, feeding on insects in forest clearings and edges. Recognizable by its persistent, rhythmic tok-tok-tok call.
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.