White-winged Nightjar vs Spotted Nightjar
Eleothreptus candicans 비교 대상 Eurostopodus argus
Side-by-Side Comparison
| 속성 | White-winged Nightjar | Spotted Nightjar |
|---|---|---|
| 학명 | Eleothreptus candicans | Eurostopodus argus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Vulnerable | Least Concern |
| 체장 | — | — |
| 날개 폭 | 30.2 cm (11.9 in) | 42.7 cm (16.8 in) |
| 체중 | 49.666666666666664 g (1.75 oz) | 102.5 g (3.62 oz) |
| 식성 | 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 … |
| 산란 수 | 2 | 1 |
| Population Trend | — | — |
Habitat Comparison
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.
보전 상태
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
작은 쏙독새과(~50g) 새로 중앙 남아메리카 세하도 초원에 서식. 수컷은 거의 흰색이며 야행성. 취약종; 세하도 초원 파괴로 위협.
Spotted Nightjar
호주 개방 삼림, 스피니펙스 초원, 반건조 덤불에 서식하는 중형 쏙독새(~103g). 눈점박이야행소쏙독새라고도 불린다. 관심필요종.