Montane Nightjar vs Spotted Nightjar
Caprimulgus poliocephalus comparado com Eurostopodus argus
Side-by-Side Comparison
| Atributo | Montane Nightjar | Spotted Nightjar |
|---|---|---|
| Nome científico | Caprimulgus poliocephalus | Eurostopodus argus |
| Ordem | Caprimulgiformes | Caprimulgiformes |
| Família | Caprimulgidae | Caprimulgidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| 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 … |
| Tamanho da postura | 2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
Montane Nightjar only
Nenhum
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 conservação
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
Noitibó-de-cabeça-cinza de 24–26 cm, habita florestas montanas do leste da África e ilhas do oceano Índico.
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.