White-winged Nightjar vs Spotted Nightjar
Eleothreptus candicans comparado con Eurostopodus argus
Side-by-Side Comparison
| Atributo | White-winged Nightjar | Spotted Nightjar |
|---|---|---|
| Nombre científico | Eleothreptus candicans | Eurostopodus argus |
| Orden | Caprimulgiformes | Caprimulgiformes |
| Familia | Caprimulgidae | Caprimulgidae |
| Estado de conservación | Vulnerable | Least Concern |
| Longitud | — | — |
| Envergadura | 30,2 cm (11.9 in) | 42,7 cm (16.8 in) |
| Peso | 49,666666666666664 g (1.75 oz) | 102,5 g (3.62 oz) |
| Dieta | Catches flying insects in nocturnal aerial sallies over South American savanna and grassland. | 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
White-winged Nightjar only
Ninguno
Spotted Nightjar only
Song & Call Comparison
White-winged Nightjar
Soft, purring 'purrr' from cerrado grassland; low, muffled churring; males perform wing-clapping display producing sharp snapping sounds; vocalizations otherwise quiet
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
White-winged Nightjar
Resident of campo cerrado grassland and open savanna in interior Brazil (Goiás, Mato Grosso do Sul, Minas Gerais); rare and endangered.
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
White-winged Nightjar
Spotted Nightjar
How to Tell Them Apart
White-winged Nightjar
Male largely white on wings with dark brown body; white wing patches striking in flight; brown crown and back; white tail. Female cryptically mottled brown and buff; lacks white wings …
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
White-winged Nightjar
A small Caprimulgidae nightjar (~50 g) of cerrado grasslands in central South America (Brazil, Bolivia, Paraguay). Males are almost entirely white; females cryptically brown. One of the most distinctive nightjars. Inhabits open grassland with scattered shrubs. Vulnerable from rapid cerrado agricultural conversion.
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.