Bonaparte's Nightjar vs Spotted Nightjar
Caprimulgus concretus 비교 대상 Eurostopodus argus
Side-by-Side Comparison
| 속성 | Bonaparte's Nightjar | Spotted Nightjar |
|---|---|---|
| 학명 | Caprimulgus concretus | Eurostopodus argus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Vulnerable | Least Concern |
| 체장 | — | — |
| 날개 폭 | 32.8 cm (12.9 in) | 42.7 cm (16.8 in) |
| 체중 | 57.5 g (2.03 oz) | 102.5 g (3.62 oz) |
| 식성 | Crepuscular and nocturnal insectivore; catches moths, beetles, and large flying insects on the wing in … | 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
Bonaparte's Nightjar
Churring call from Borneo lowland forest; repetitive hollow trill; rarely recorded; calls at night from dense humid forest; alarm a sharp bark note
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
Bonaparte's Nightjar
Found in highland Borneo and Sumatra in montane forest at 1,000–2,500 m. Endemic to the Sundaic region; infrequently recorded.
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
Bonaparte's Nightjar
Spotted Nightjar
How to Tell Them Apart
Bonaparte's Nightjar
Rich dark brown upperparts with black-centred feathers and buff-chestnut edging; white throat patch; densely barred underparts; males have white outer tail feathers; Bornean endemic with notably deep brown tones.
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
Bonaparte's Nightjar
보르네오와 수마트라 저지대 및 이탄 습지 삼림에 사는 소형 쏙독새(20-22 cm). 어두운 갈색 몸통에 잘게 세로줄이 있다. 울창한 삼림 서식지 때문에 연구가 부족하며, 삼림 훼손으로 인해 준위협종이다.
Spotted Nightjar
호주 개방 삼림, 스피니펙스 초원, 반건조 덤불에 서식하는 중형 쏙독새(~103g). 눈점박이야행소쏙독새라고도 불린다. 관심필요종.