Savanna Nightjar vs Spotted Nightjar
Caprimulgus affinis comparado con Eurostopodus argus
Side-by-Side Comparison
| Atributo | Savanna Nightjar | Spotted Nightjar |
|---|---|---|
| Nombre científico | Caprimulgus affinis | Eurostopodus argus |
| Orden | Caprimulgiformes | Caprimulgiformes |
| Familia | Caprimulgidae | Caprimulgidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 31,9 cm (12.6 in) | 42,7 cm (16.8 in) |
| Peso | 74,16666666666667 g (2.62 oz) | 102,5 g (3.62 oz) |
| Dieta | Nocturnal aerial feeder on moths, beetles, and flying bugs; forages in open areas near woodland … | Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian … |
| Tamaño de la puesta | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Savanna Nightjar only
Spotted Nightjar only
Song & Call Comparison
Savanna Nightjar
Loud, churring 'chwerrr'; resonant trill from South and Southeast Asian open habitats; calls from bare ground and burnt areas; very common nocturnal sound
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
Savanna Nightjar
Found in Indonesia and the Philippines on Sulawesi, Mindanao, and adjacent islands. Resident in lowland forest edge and scrub.
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
Savanna Nightjar
Spotted Nightjar
How to Tell Them Apart
Savanna Nightjar
Pale greyish-brown upperparts with black shaft streaks and buff spotting; whitish supercilium and moustachial stripe; white throat patch; males show large white outer tail patches; widespread across South and Southeast …
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
Savanna Nightjar
Chotacabras de sabana de 22–26 cm, ampliamente distribuido en el sur de Asia, el sureste asiático y las islas del Pacífico oriental.
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.