Archbold's Nightjar vs Great Eared-nightjar
Eurostopodus archboldi เปรียบเทียบกับ Lyncornis macrotis
Side-by-Side Comparison
| คุณสมบัติ | Archbold's Nightjar | Great Eared-nightjar |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Eurostopodus archboldi | Lyncornis macrotis |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Caprimulgidae | Caprimulgidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 41.0 cm (16.1 in) | 53.3 cm (21.0 in) |
| น้ำหนัก | 77.0 g (2.72 oz) | 135.25 g (4.77 oz) |
| อาหาร | 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 … |
| จำนวนไข่ | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
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Archbold's Nightjar only
ไม่มี
Great Eared-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
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.
สถานะการอนุรักษ์
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
A small Caprimulgidae nightjar (~77 g) known from subalpine grasslands and forest margins in the interior mountains of New Guinea. Named after naturalist Richard Archbold. Cryptic brown-patterned plumage. Nocturnal insectivore. Infrequently observed; biology largely undescribed. Least Concern in its montane range.
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.