Heinrich's Nightjar vs Great Eared-nightjar
Eurostopodus diabolicus เปรียบเทียบกับ Lyncornis macrotis
Side-by-Side Comparison
| คุณสมบัติ | Heinrich's Nightjar | Great Eared-nightjar |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Eurostopodus diabolicus | Lyncornis macrotis |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Caprimulgidae | Caprimulgidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 39.9 cm (15.7 in) | 53.3 cm (21.0 in) |
| น้ำหนัก | 104.0 g (3.67 oz) | 135.25 g (4.77 oz) |
| อาหาร | Nocturnal aerial insectivore; catches moths and beetles in flight over Sulawesi forest; poorly known. | Hawks large flying insects at night; one of the largest nightjars; forages over SE Asian … |
| จำนวนไข่ | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
ถิ่นที่อยู่อาศัยร่วมกัน
Heinrich's Nightjar only
ไม่มี
Great Eared-nightjar only
Song & Call Comparison
Heinrich's Nightjar
Haunting, hollow 'ku-WOO' repeated rhythmically; deep resonant quality; distinctive mournful whistle carrying through Sulawesi forest at night
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
Heinrich's Nightjar
Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.
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
Heinrich's Nightjar
Great Eared-nightjar
How to Tell Them Apart
Heinrich's Nightjar
Rufous-brown and dark brown mottled with buff vermiculations; large pale buff throat patch; pale buff supercilium; no white wing markings; tail darkly barred brown and buff. Poorly known; Sulawesi endemic.
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
Heinrich's Nightjar
A medium Caprimulgidae nightjar (~104 g) endemic to the forest and forest-edge habitats of Sulawesi, Indonesia. Cryptically patterned brown-and-buff. Nocturnal insectivore; catches moths and beetles in aerial sallies. Little studied and rarely encountered in the field. Least Concern within its Sulawesi 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.