Montane Nightjar vs Spotted Nightjar
Caprimulgus poliocephalus comparado con Eurostopodus argus
Side-by-Side Comparison
| Atributo | Montane Nightjar | Spotted Nightjar |
|---|---|---|
| Nombre científico | Caprimulgus poliocephalus | Eurostopodus argus |
| Orden | Caprimulgiformes | Caprimulgiformes |
| Familia | Caprimulgidae | Caprimulgidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 31,1 cm (12.2 in) | 42,7 cm (16.8 in) |
| Peso | 47,050000000000004 g (1.66 oz) | 102,5 g (3.62 oz) |
| Dieta | -- | Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian … |
| Tamaño de la puesta | 2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Montane Nightjar only
Ninguno
Spotted Nightjar only
Song & Call Comparison
Montane Nightjar
Churring trill from East African highlands; repetitive 'churr-churr-churr'; slightly higher pitched than lowland species; calls from highland scrub and forest edge
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
Montane Nightjar
Spotted Nightjar
Resident and partial migrant of open woodland, grassland, and scrub across mainland Australia and migrating to New Guinea and Indonesia in winter.
Estado de conservación
Montane Nightjar
Spotted Nightjar
How to Tell Them Apart
Montane Nightjar
Grey-brown upperparts with fine blackish streaks; pale grey head contrasting slightly with browner back; white throat patch; underparts buff barred brown; inhabits high-altitude montane zones in East Africa.
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
Montane Nightjar
Chotacabras de cabeza gris de 24–26 cm, habita en los bosques montanos del este de África y las islas del océano Índico.
Spotted Nightjar
Chotacabras de Argos, 28-30 cm. Pardo y negro moteado, cola punteada, ojos grandes. Habita bosques y matorrales abiertos de Australia. Nocturno. Insectívoro. Preocupación menor.