Sand-colored Nighthawk vs Heinrich's Nightjar
Chordeiles rupestris 对比 Eurostopodus diabolicus
Side-by-Side Comparison
| 属性 | Sand-colored Nighthawk | Heinrich's Nightjar |
|---|---|---|
| 学名 | Chordeiles rupestris | Eurostopodus diabolicus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 32.9 cm (13.0 in) | 39.9 cm (15.7 in) |
| 体重 | 52.25 g (1.84 oz) | 104.0 g (3.67 oz) |
| 食性 | Aerial insectivore; hawks insects over South American river sandbars and open areas, often in flocks. | 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
Sand-colored Nighthawk
Nasal, buzzy 'bzeent' calls; short buzzing trills; colonial roosters produce chorus of soft chirring notes; calls from sandy riverbanks at dusk
Heinrich's Nightjar
Haunting, hollow 'ku-WOO' repeated rhythmically; deep resonant quality; distinctive mournful whistle carrying through Sulawesi forest at night
Geographic Range & Migration
Sand-colored Nighthawk
Resident of sandy riverbanks and open savanna in the Amazon and Orinoco basins of Venezuela, Colombia, Peru, and Brazil.
Heinrich's Nightjar
Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.
保护状况
Sand-colored Nighthawk
Heinrich's Nightjar
How to Tell Them Apart
Sand-colored Nighthawk
Pale sandy-buff overall with dark brown vermiculations; white throat and lower underparts; bold white wing bar; white tail with dark terminal band; paler coloration than other nighthawks suits sandy riverbank …
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
Sand-colored Nighthawk
沙色夜鹰(Chordeiles rupestris)是一种体重约52克的夜鹰科鸟类，栖息于亚马逊河及其主要支流沿岸的开阔沙质河岸和沙滩上。沙褐色羽毛在裸露沙地上提供出色的伪装，以飞行中的昆虫为食。
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。