Slender-tailed Nightjar vs Papuan Nightjar
Caprimulgus clarus comparado con Eurostopodus papuensis
Side-by-Side Comparison
| Atributo | Slender-tailed Nightjar | Papuan Nightjar |
|---|---|---|
| Nombre científico | Caprimulgus clarus | Eurostopodus papuensis |
| Orden | Caprimulgiformes | Caprimulgiformes |
| Familia | Caprimulgidae | Caprimulgidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 29,6 cm (11.7 in) | 37,9 cm (14.9 in) |
| Peso | 43,0 g (1.52 oz) | 80,5 g (2.84 oz) |
| Dieta | Nocturnal aerial insectivore specialising in large moths and flying beetles, caught in slow erratic hunting … | Hawks large flying insects, especially moths, at night over Papuan forest and savanna. |
| Tamaño de la puesta | 2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Slender-tailed Nightjar
Rapid churring trill; 'trrr-trrr' at steady pace; calls from East African dry scrub at night; lighter than Long-tailed Nightjar; alarm a quiet 'chek'
Papuan Nightjar
Churring, repetitive nocturnal call; soft bubbling trill; melodic series of hollow notes; calls from low perch or ground in New Guinea lowland forest
Geographic Range & Migration
Slender-tailed Nightjar
Found from Angola and the DRC south through Zambia and Zimbabwe to South Africa. Resident in woodland and savanna near rocky outcrops.
Papuan Nightjar
Resident of savanna woodland, grass, and scrub in lowland New Guinea (Papua, Indonesia and Papua New Guinea).
Estado de conservación
Slender-tailed Nightjar
Papuan Nightjar
How to Tell Them Apart
Slender-tailed Nightjar
Pale brown upperparts with black streaks and buff-white spotting; whitish supercilium; white throat patch; underparts buff barred brown; males have elongated but narrower tail feathers than Long-tailed Nightjar.
Papuan Nightjar
Dark grey-brown finely vermiculated with buff and black; pale buff and rufous throat patch; pale supercilium; no white wing patches; tail barred brown and buff; cryptically patterned bark-mimicking plumage.
About These Birds
Slender-tailed Nightjar
Chotacabras de Tanzania de 22–25 cm, endémico del África Oriental con distribución limitada en Tanzania y Kenia.
Papuan Nightjar
Chotacabras de Nueva Guinea, 25-28 cm. Plumaje moteado críptico. Habita bosques del norte de Australia y Nueva Guinea. Nocturno, insectívoro. Preocupación menor.