Papuan Nightjar vs Common Poorwill
Eurostopodus papuensis 对比 Phalaenoptilus nuttallii
Side-by-Side Comparison
| 属性 | Papuan Nightjar | Common Poorwill |
|---|---|---|
| 学名 | Eurostopodus papuensis | Phalaenoptilus nuttallii |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 37.9 cm (14.9 in) | 28.8 cm (11.3 in) |
| 体重 | 80.5 g (2.84 oz) | 46.45 g (1.64 oz) |
| 食性 | Hawks large flying insects, especially moths, at night over Papuan forest and savanna. | Catches moths, beetles, and flying insects on short sallies near ground; only bird known to … |
| 产卵数 | 1 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Papuan Nightjar
Churring, repetitive nocturnal call; soft bubbling trill; melodic series of hollow notes; calls from low perch or ground in New Guinea lowland forest
Common Poorwill
Clear, whistled 'poor-WILL' with burry quality; sometimes 'poor-will-ip'; carries well across desert scrub; may call thousands of times in a night; males very persistent
Geographic Range & Migration
Papuan Nightjar
Resident of savanna woodland, grass, and scrub in lowland New Guinea (Papua, Indonesia and Papua New Guinea).
Common Poorwill
Resident of arid scrub, sagebrush, and chaparral in western North America from British Columbia south to central Mexico; only hibernating bird.
保护状况
Papuan Nightjar
Common Poorwill
How to Tell Them Apart
Papuan Nightjar
Dark grey-brown finely vermiculated with buff and black; pale buff and rufous throat patch; pale supercilium; no white wing patches; tail barred brown and buff; cryptically patterned bark-mimicking plumage.
Common Poorwill
Grey-brown and buff mottled with dark vermiculations; white throat patch bordered by dark collar; pale buff and dark barred underparts; white tips on outer tail feathers; no white wing patches; …
About These Birds
Papuan Nightjar
小型夜鹰（约81克）。分布于新几内亚南部低地。无危。
Common Poorwill
A small Caprimulgidae nightjar (~46 g) of arid shrubland and rocky desert from southwestern Canada to central Mexico. The only bird known to enter true torpor for extended periods (weeks) as a winter survival strategy. Cryptic grey-brown plumage. Feeds on moths and beetles at night. Least Concern.