Heinrich's Nightjar vs Greater Band-winged Nightjar
Eurostopodus diabolicus 비교 대상 Systellura longirostris
Side-by-Side Comparison
| 속성 | Heinrich's Nightjar | Greater Band-winged Nightjar |
|---|---|---|
| 학명 | Eurostopodus diabolicus | Systellura longirostris |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 39.9 cm (15.7 in) | 31.0 cm (12.2 in) |
| 체중 | 104.0 g (3.67 oz) | 45.666666666666664 g (1.61 oz) |
| 식성 | Nocturnal aerial insectivore; catches moths and beetles in flight over Sulawesi forest; poorly known. | Aerial insectivore; catches moths and flying insects at night over South American open and scrubby … |
| 산란 수 | 1 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Heinrich's Nightjar
Haunting, hollow 'ku-WOO' repeated rhythmically; deep resonant quality; distinctive mournful whistle carrying through Sulawesi forest at night
Greater Band-winged Nightjar
Repeated 'tyuk-tyuk' or 'chuck-will'; whistled, melodic phrase; calls from Andean slopes and scrub; alarm a sharp bark; cleaner tone than lowland nightjars
Geographic Range & Migration
Heinrich's Nightjar
Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.
Greater Band-winged Nightjar
Resident of open rocky slopes and Andean scrub from Ecuador south through Peru, Bolivia, Chile, and Argentina to Patagonia and the Falkland Islands.
보전 상태
Heinrich's Nightjar
Greater Band-winged 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.
Greater Band-winged Nightjar
Brown and grey mottled with dark brown and buff vermiculations; white wing bar across primaries forming band pattern in flight; white throat in male; buff throat in female; white outer …
About These Birds
Heinrich's Nightjar
술라웨시 고유의 숲과 숲 가장자리에 서식하는 중형 쏙독새(~104g). 악마야행소쏙독새라고도 불린다. 관심필요종.
Greater Band-winged Nightjar
A small Caprimulgidae nightjar (~46 g) of open scrub, grassland, and rocky slopes from Argentina northward through the Andes to Colombia. Brown-and-buff cryptic plumage with a pale wing bar. Highly vocal at night in Andean valleys. Feeds on insects aerially. Least Concern across its wide South American range.