Egyptian Nightjar vs Spotted Nightjar
Caprimulgus aegyptius в сравнении с Eurostopodus argus
Side-by-Side Comparison
| Характеристика | Egyptian Nightjar | Spotted Nightjar |
|---|---|---|
| Научное название | Caprimulgus aegyptius | Eurostopodus argus |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Caprimulgidae | Caprimulgidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 40,2 cm (15.8 in) | 42,7 cm (16.8 in) |
| Масса | 77,0 g (2.72 oz) | 102,5 g (3.62 oz) |
| Питание | Night-active insect hawker taking moths, beetles, and flying termites during sallies over tropical forest clearings. | 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
Нет
Egyptian Nightjar only
Spotted Nightjar only
Song & Call Comparison
Egyptian Nightjar
Soft, repetitive 'qurr-qurr'; purring trill from desert scrub; quieter than most Caprimulgus; calls carry across open sandy terrain at night; alarm a low 'croak'
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
Egyptian Nightjar
Breeds in North Africa and the Middle East east to Pakistan. Migrant wintering in sub-Saharan Africa. Found in sandy desert and semi-arid terrain.
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
Egyptian Nightjar
Spotted Nightjar
How to Tell Them Apart
Egyptian Nightjar
Pale sandy-buff overall with fine dark brown speckles and streaks; whitish throat patch; wings show ochre spotting on coverts; one of the palest nightjars, adapted to arid desert habitats.
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
Egyptian Nightjar
A pale, sandy-colored nightjar (25 cm) well adapted to arid habitats. Cryptic desert plumage provides excellent camouflage on open sandy ground. Nocturnal insectivore feeding on beetles and moths. Found from the Sahara across the Middle East to Central Asia. A long-distance migrant.
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.