Archbold's Nightjar vs White-throated Nightjar
Eurostopodus archboldi 比較対象 Eurostopodus mystacalis
Side-by-Side Comparison
| 属性 | Archbold's Nightjar | White-throated Nightjar |
|---|---|---|
| 学名 | Eurostopodus archboldi | Eurostopodus mystacalis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 41.0 cm (16.1 in) | 50.4 cm (19.8 in) |
| 体重 | 77.0 g (2.72 oz) | 138.25 g (4.88 oz) |
| 食性 | Aerial insectivore; catches moths and beetles in nocturnal flight over New Guinea montane forest. | Catches large flying insects, especially moths and beetles, in aerial sallies over Australian and Pacific … |
| 一腹卵数 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
共通生息地
Archbold's Nightjar only
None
White-throated Nightjar only
Song & Call Comparison
Archbold's Nightjar
Rarely recorded; presumed churring nocturnal song; low, resonant trilling typical of genus; vocalizations scarcely documented from highland New Guinea
White-throated Nightjar
Resonant, churring song; rapid 'good-lord-deliver-us' or 'chaw-chaw-chaw'; low, bubbling trill carrying through rainforest; softer than related species
Geographic Range & Migration
Archbold's Nightjar
Resident of montane forest in central New Guinea (Snow Mountains and Star Mountains) above 1,500 m; very poorly known.
White-throated Nightjar
Resident of open woodland and scrub in eastern and northern Australia; also found on offshore islands and in southern New Guinea.
保全状況
Archbold's Nightjar
White-throated Nightjar
How to Tell Them Apart
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.
White-throated Nightjar
Grey-brown with rufous and black mottling; large bold white throat patch distinctive; no white wing spots or tail markings; well-camouflaged on bark. Male and female similar; one of the larger …
About These Birds
Archbold's Nightjar
ニューギニアの亜高山帯に生息するヨタカで、探検家リチャード・アーチボルドにちなんで命名された。
White-throated Nightjar
東オーストラリアとニューギニア沿岸に生息するヨタカで、体重138g。白い喉が特徴。