Large-tailed Nightjar vs Heinrich's Nightjar
Caprimulgus macrurus so với Eurostopodus diabolicus
Side-by-Side Comparison
| Thuộc Tính | Large-tailed Nightjar | Heinrich's Nightjar |
|---|---|---|
| Tên Khoa Học | Caprimulgus macrurus | Eurostopodus diabolicus |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Caprimulgidae | Caprimulgidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 35,8 cm (14.1 in) | 39,9 cm (15.7 in) |
| Khối Lượng | 69,16666666666667 g (2.44 oz) | 104,0 g (3.67 oz) |
| Chế Độ Ăn | Nocturnal feeder on flying insects including moths, beetles, and larger dipterans; hunts in low coursing … | Nocturnal aerial insectivore; catches moths and beetles in flight over Sulawesi forest; poorly known. |
| Số Trứng | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Large-tailed Nightjar only
Heinrich's Nightjar only
Không
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
Heinrich's Nightjar
Haunting, hollow 'ku-WOO' repeated rhythmically; deep resonant quality; distinctive mournful whistle carrying through Sulawesi forest at night
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.
Heinrich's Nightjar
Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.
Tình Trạng Bảo Tồn
Large-tailed Nightjar
Heinrich'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.
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.
About These Birds
Large-tailed Nightjar
A large nightjar (25-33 cm) widespread from South and Southeast Asia to Australasia. Brown plumage with bold rufous collar patches. Crepuscular and nocturnal, feeding on insects in forest clearings and edges. Recognizable by its persistent, rhythmic tok-tok-tok call.
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.