Archbold's Nightjar vs Great Eared-nightjar
Eurostopodus archboldi 比較対象 Lyncornis macrotis
Side-by-Side Comparison
| 属性 | Archbold's Nightjar | Great Eared-nightjar |
|---|---|---|
| 学名 | Eurostopodus archboldi | Lyncornis macrotis |
| 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) | 53.3 cm (21.0 in) |
| 体重 | 77.0 g (2.72 oz) | 135.25 g (4.77 oz) |
| 食性 | Aerial insectivore; catches moths and beetles in nocturnal flight over New Guinea montane forest. | Hawks large flying insects at night; one of the largest nightjars; forages over SE Asian … |
| 一腹卵数 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
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
Great Eared-nightjar
Loud, far-carrying 'pee-WEERR' or 'yaak'; often repeated steadily; distinctive wailing whistle over forest; alarm a sharp 'creek'; one of Asia's largest nightjar calls
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.
Great Eared-nightjar
Resident of forest edge, open woodland, and scrub across South and Southeast Asia from India and Sri Lanka east to the Philippines and Sulawesi.
保全状況
Archbold's Nightjar
Great Eared-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.
Great Eared-nightjar
Largest nightjar; grey-brown and rufous with dark vermiculations; very long prominent ear-tufts; buff-orange throat; no white wing patches; boldly barred tail; rufous hues stronger than Malay congener.
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。
Great Eared-nightjar
The largest nightjar of the Asian region (~135 g), family Caprimulgidae, of forest and forest edge from Sri Lanka through Southeast Asia to the Philippines. Distinctive erect ear tufts give an owl-like appearance. Wingspan ~53 cm. Hunts large moths and beetles at night. Calls with eerie wailing notes. Least Concern.