Andaman Nightjar vs Bonaparte's Nightjar
Caprimulgus andamanicus 비교 대상 Caprimulgus concretus
Side-by-Side Comparison
| 속성 | Andaman Nightjar | Bonaparte's Nightjar |
|---|---|---|
| 학명 | Caprimulgus andamanicus | Caprimulgus concretus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Vulnerable |
| 체장 | — | — |
| 날개 폭 | 36.4 cm (14.3 in) | 32.8 cm (12.9 in) |
| 체중 | 66.06666666666666 g (2.33 oz) | 57.5 g (2.03 oz) |
| 식성 | Night-hunting insectivore targeting moths, flying beetles, and winged ants in erratic low-altitude aerial passes. | Crepuscular and nocturnal insectivore; catches moths, beetles, and large flying insects on the wing in … |
| 산란 수 | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Andaman Nightjar
Loud 'chuck-chuck-trrr'; hollow knocking prefix followed by trill; endemic to Andaman Islands; calls at night from forest edges and clearings; similar to Large-tailed
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
Geographic Range & Migration
Andaman Nightjar
Endemic to the Philippines including Luzon and Mindanao. Resident in lowland and submontane forest and forest edge up to 1,800 m.
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.
보전 상태
Andaman Nightjar
Bonaparte's Nightjar
How to Tell Them Apart
Andaman Nightjar
Warm rufous-brown upperparts with black-centred scapulars and pale buff streaks; broad white throat patch; males show white outer tail feathers; underparts buff barred brown; endemic island coloration slightly warmer than …
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.
About These Birds
Andaman Nightjar
A medium-sized nightjar (24-26 cm) endemic to the Andaman Islands in the Bay of Bengal. Dark brown plumage with rufous collar spots. Nocturnal insectivore of lowland and mangrove forests. A sedentary species with a restricted island range.
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.