Spotted Nightjar vs Scissor-tailed Nightjar
Eurostopodus argus comparado con Hydropsalis torquata
Side-by-Side Comparison
| Atributo | Spotted Nightjar | Scissor-tailed Nightjar |
|---|---|---|
| Nombre científico | Eurostopodus argus | Hydropsalis torquata |
| Orden | Caprimulgiformes | Caprimulgiformes |
| Familia | Caprimulgidae | Caprimulgidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 42,7 cm (16.8 in) | 36,8 cm (14.5 in) |
| Peso | 102,5 g (3.62 oz) | 54,625 g (1.93 oz) |
| Dieta | Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian … | Catches moths, beetles, and flying insects in aerial sallies at night over South American savanna. |
| Tamaño de la puesta | 1 | 2 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Spotted Nightjar only
Scissor-tailed Nightjar only
Ninguno
Song & Call Comparison
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
Scissor-tailed Nightjar
Loud, clear churring 'quurrr'; repetitive at moderate pitch; calls from open cerrado at dusk; males call persistently from prominent perches; alarm a sharp 'chek'
Geographic Range & Migration
Spotted Nightjar
Resident and partial migrant of open woodland, grassland, and scrub across mainland Australia and migrating to New Guinea and Indonesia in winter.
Scissor-tailed Nightjar
Resident of open savanna, cerrado, and scrub from Colombia and Venezuela south through Brazil to Bolivia and northern Argentina.
Estado de conservación
Spotted Nightjar
Scissor-tailed Nightjar
How to Tell Them Apart
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 …
Scissor-tailed Nightjar
Male with enormously elongated outer tail feathers to 25 cm forming scissors in flight; brown and buff mottled body; white throat; white wing spots. Female brown mottled with normal tail …
About These Birds
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.
Scissor-tailed Nightjar
El añapero coludo es un chotacabras neotropical con cola muy larga que habita en sabanas y campos abiertos de América del Sur.