Large-tailed Nightjar vs Archbold's Nightjar
Caprimulgus macrurus 比較対象 Eurostopodus archboldi
Side-by-Side Comparison
| 属性 | Large-tailed Nightjar | Archbold's Nightjar |
|---|---|---|
| 学名 | Caprimulgus macrurus | Eurostopodus archboldi |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 35.8 cm (14.1 in) | 41.0 cm (16.1 in) |
| 体重 | 69.16666666666667 g (2.44 oz) | 77.0 g (2.72 oz) |
| 食性 | Nocturnal feeder on flying insects including moths, beetles, and larger dipterans; hunts in low coursing … | Aerial insectivore; catches moths and beetles in nocturnal flight over New Guinea montane forest. |
| 一腹卵数 | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
共通生息地
Large-tailed Nightjar only
Archbold's Nightjar only
None
Song & Call Comparison
Large-tailed Nightjar
Loud, resonant 'chuck-chuck-churr'; hollow knocking notes with long trill; one of Asia's commonest nightjars; calls persistently from forest edges; carries great distance
Archbold's Nightjar
Rarely recorded; presumed churring nocturnal song; low, resonant trilling typical of genus; vocalizations scarcely documented from highland New Guinea
Geographic Range & Migration
Large-tailed Nightjar
Found from India and Sri Lanka east to the Philippines and northern Australia. Resident in forest edge, secondary growth, and plantations.
Archbold's Nightjar
Resident of montane forest in central New Guinea (Snow Mountains and Star Mountains) above 1,500 m; very poorly known.
保全状況
Large-tailed Nightjar
Archbold's Nightjar
How to Tell Them Apart
Large-tailed Nightjar
Intricately patterned brown, black, and buff upperparts; pale supercilium contrasts with dark crown; white throat patch; males show conspicuous white outer tail feathers and white primary spots; long tail distinctive.
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.
About These Birds
Large-tailed Nightjar
体長25〜33cmの南・東南アジアからオーストラリアに生息するヨタカ。赤褐色の首輪とトク・トク・トクという鳴き声が特徴。
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。