Bonaparte's Nightjar vs Archbold's Nightjar
Caprimulgus concretus 对比 Eurostopodus archboldi
Side-by-Side Comparison
| 属性 | Bonaparte's Nightjar | Archbold's Nightjar |
|---|---|---|
| 学名 | Caprimulgus concretus | Eurostopodus archboldi |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Vulnerable | Least Concern |
| 体长 | — | — |
| 翼展 | 32.8 cm (12.9 in) | 41.0 cm (16.1 in) |
| 体重 | 57.5 g (2.03 oz) | 77.0 g (2.72 oz) |
| 食性 | Crepuscular and nocturnal insectivore; catches moths, beetles, and large flying insects on the wing in … | Aerial insectivore; catches moths and beetles in nocturnal flight over New Guinea montane forest. |
| 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
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
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.
Archbold's Nightjar
Resident of montane forest in central New Guinea (Snow Mountains and Star Mountains) above 1,500 m; very poorly known.
保护状况
Bonaparte's Nightjar
Archbold'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.
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
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）。
Archbold's Nightjar
体重约77克的小型夜鹰，栖息于新几内亚内陆的亚高山草地。以理查德·阿奇博尔德命名。