Donaldson Smith's Nightjar vs Heinrich's Nightjar
Caprimulgus donaldsoni 对比 Eurostopodus diabolicus
Side-by-Side Comparison
| 属性 | Donaldson Smith's Nightjar | Heinrich's Nightjar |
|---|---|---|
| 学名 | Caprimulgus donaldsoni | Eurostopodus diabolicus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 26.0 cm (10.2 in) | 39.9 cm (15.7 in) |
| 体重 | 29.75 g (1.05 oz) | 104.0 g (3.67 oz) |
| 食性 | Nocturnal insect hawker feeding on moths, beetles, and flying crickets; hunts in buoyant coursing flight. | Nocturnal aerial insectivore; catches moths and beetles in flight over Sulawesi forest; poorly known. |
| 产卵数 | 2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Donaldson Smith's Nightjar
Soft, rapid churring; thin 'trrrr' at moderate pitch; small size produces lighter call; calls from dry African scrub at night; poorly known vocalizations
Heinrich's Nightjar
Haunting, hollow 'ku-WOO' repeated rhythmically; deep resonant quality; distinctive mournful whistle carrying through Sulawesi forest at night
Geographic Range & Migration
Donaldson Smith's Nightjar
Found across sub-Saharan Africa from Gabon south to South Africa. Common in woodland, forest edge, and gardens. Produces distinctive churring calls.
Heinrich's Nightjar
Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.
保护状况
Donaldson Smith's Nightjar
Heinrich's Nightjar
How to Tell Them Apart
Donaldson Smith's Nightjar
Small and compact; pale greyish-brown upperparts finely vermiculated blackish; narrow whitish supercilium; small white throat spot; underparts pale buff with faint barring; notably small size compared to African relatives.
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
Donaldson Smith's Nightjar
唐纳森-史密斯夜鹰，体长20–22厘米，分布于非洲之角、索马里、埃塞俄比亚和肯尼亚，栖息于干旱灌丛。
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。