Bates's Nightjar vs Archbold's Nightjar
Caprimulgus batesi 비교 대상 Eurostopodus archboldi
Side-by-Side Comparison
| 속성 | Bates's Nightjar | Archbold's Nightjar |
|---|---|---|
| 학명 | Caprimulgus batesi | Eurostopodus archboldi |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 37.1 cm (14.6 in) | 41.0 cm (16.1 in) |
| 체중 | 100.5 g (3.55 oz) | 77.0 g (2.72 oz) |
| 식성 | Nighttime aerial hunter of moths and large beetles; forages in low-level coursing flight above grassland … | Aerial insectivore; catches moths and beetles in nocturnal flight over New Guinea montane forest. |
| 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
Archbold's Nightjar
Rarely recorded; presumed churring nocturnal song; low, resonant trilling typical of genus; vocalizations scarcely documented from highland New Guinea
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.
Archbold's Nightjar
Resident of montane forest in central New Guinea (Snow Mountains and Star Mountains) above 1,500 m; very poorly known.
보전 상태
Bates's Nightjar
Archbold's 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.
Archbold's Nightjar
Brown and dark grey with rufous-buff vermiculations; whitish throat patch; pale buff supercilium contrasts with darker crown; no white wing or tail patches; tail barred; New Guinea highlands; few records.
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.
Archbold's Nightjar
뉴기니아 아고산 초원과 숲에 서식하는 소형 쏙독새(~77g). 아치볼드야행소쏙독새라고도 불린다. 관심필요종.