Savanna Nightjar vs Spotted Nightjar
Caprimulgus affinis comparado com Eurostopodus argus
Side-by-Side Comparison
| Atributo | Savanna Nightjar | Spotted Nightjar |
|---|---|---|
| Nome científico | Caprimulgus affinis | Eurostopodus argus |
| Ordem | Caprimulgiformes | Caprimulgiformes |
| Família | Caprimulgidae | Caprimulgidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| 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 … |
| Tamanho da postura | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
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 conservação
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
Noitibó-da-savana de 22–26 cm, amplamente distribuído no sul da Ásia, Sudeste Asiático e ilhas do Pacífico Oriental.
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.