Bonaparte's Nightjar vs Heinrich's Nightjar
Caprimulgus concretus 对比 Eurostopodus diabolicus
Side-by-Side Comparison
| 属性 | Bonaparte's Nightjar | Heinrich's Nightjar |
|---|---|---|
| 学名 | Caprimulgus concretus | Eurostopodus diabolicus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Vulnerable | Least Concern |
| 体长 | — | — |
| 翼展 | 32.8 cm (12.9 in) | 39.9 cm (15.7 in) |
| 体重 | 57.5 g (2.03 oz) | 104.0 g (3.67 oz) |
| 食性 | Crepuscular and nocturnal insectivore; catches moths, beetles, and large flying insects on the wing in … | Nocturnal aerial insectivore; catches moths and beetles in flight over Sulawesi forest; poorly known. |
| 产卵数 | 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
Heinrich's Nightjar
Haunting, hollow 'ku-WOO' repeated rhythmically; deep resonant quality; distinctive mournful whistle carrying through Sulawesi forest at night
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.
Heinrich's Nightjar
Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.
保护状况
Bonaparte's Nightjar
Heinrich's 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.
Heinrich's Nightjar
Rufous-brown and dark brown mottled with buff vermiculations; large pale buff throat patch; pale buff supercilium; no white wing markings; tail darkly barred brown and buff. Poorly known; Sulawesi endemic.
About These Birds
Bonaparte's Nightjar
波拿巴夜鹰，体长20–22厘米，分布于婆罗洲和苏门答腊泥炭沼泽森林，近危（因森林砍伐）。
Heinrich's Nightjar
中型夜鹰（约104克），印度尼西亚苏拉威西特有种。夜行性食虫鸟。无危。