Heinrich's Nightjar vs Choco Poorwill
Eurostopodus diabolicus 对比 Nyctiphrynus rosenbergi
Side-by-Side Comparison
| 属性 | Heinrich's Nightjar | Choco Poorwill |
|---|---|---|
| 学名 | Eurostopodus diabolicus | Nyctiphrynus rosenbergi |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 39.9 cm (15.7 in) | 24.8 cm (9.8 in) |
| 体重 | 104.0 g (3.67 oz) | 49.65 g (1.75 oz) |
| 食性 | Nocturnal aerial insectivore; catches moths and beetles in flight over Sulawesi forest; poorly known. | Nocturnal aerial insectivore; catches moths and small insects in flight over Pacific Chocó forest. |
| 产卵数 | 1 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Heinrich's Nightjar
Haunting, hollow 'ku-WOO' repeated rhythmically; deep resonant quality; distinctive mournful whistle carrying through Sulawesi forest at night
Choco Poorwill
Soft, purring 'poor-will' whistle; gentle repetitive phrases from humid Pacific forest; calls from low perch at night; higher and thinner than Common Poorwill
Geographic Range & Migration
Heinrich's Nightjar
Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.
Choco Poorwill
Resident of lowland Pacific rainforest and forest edge in northwestern Colombia and northwestern Ecuador (Chocó region).
保护状况
Heinrich's Nightjar
Choco Poorwill
How to Tell Them Apart
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.
Choco Poorwill
Brown and rufous mottled above with dark vermiculations; pale buff below with brown barring; white throat patch in male; small white spots on outer tail in male; no white wing …
About These Birds
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。
Choco Poorwill
A small Caprimulgidae poorwill (~50 g) of humid lowland and foothill rainforest in the Choco region of Colombia and northwestern Ecuador. Mottled brown-and-buff plumage blends with forest floor. Secretive nocturnal insectivore; rarely seen. Calls with a repeated whistled note. Least Concern in its humid forest habitat.