Bates's Nightjar vs Spotted Nightjar
Caprimulgus batesi 비교 대상 Eurostopodus argus
Side-by-Side Comparison
| 속성 | Bates's Nightjar | Spotted Nightjar |
|---|---|---|
| 학명 | Caprimulgus batesi | Eurostopodus argus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 37.1 cm (14.6 in) | 42.7 cm (16.8 in) |
| 체중 | 100.5 g (3.55 oz) | 102.5 g (3.62 oz) |
| 식성 | Nighttime aerial hunter of moths and large beetles; forages in low-level coursing flight above grassland … | Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian … |
| 산란 수 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Bates's Nightjar
Deep, resonant churring trill; one of larger African Caprimulgus; low hollow 'churrrr' from Central African rainforest; calls at night from dense lowland forest
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
Bates's Nightjar
Found across West Africa from Gambia east to Sudan and south to the DRC. Resident in open savanna. Male has spectacular elongated tail feathers.
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
Bates's Nightjar
Spotted Nightjar
How to Tell Them Apart
Bates's Nightjar
Large and very dark; blackish-brown upperparts with minimal pale patterning; small white throat spot; underparts dark brown with buff barring; one of the darkest nightjars, inhabiting dense Central African rainforests.
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
Bates's Nightjar
서아프리카와 중앙아프리카 기니 만 지역의 저지대 원시우림에 사는 중형 쏙독새(24-26 cm). 어두운 갈색 깃털을 가진다. 야행성으로 삼림 내부에서 곤충을 먹는다. 은밀한 습성과 울창한 삼림 서식지로 인해 연구가 미흡한 종이다.
Spotted Nightjar
호주 개방 삼림, 스피니펙스 초원, 반건조 덤불에 서식하는 중형 쏙독새(~103g). 눈점박이야행소쏙독새라고도 불린다. 관심필요종.