Papuan Nightjar vs Lesser Band-winged Nightjar
Eurostopodus papuensis เปรียบเทียบกับ Systellura decussata
Side-by-Side Comparison
| คุณสมบัติ | Papuan Nightjar | Lesser Band-winged Nightjar |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Eurostopodus papuensis | Systellura decussata |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Caprimulgidae | Caprimulgidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 37.9 cm (14.9 in) | 26.6 cm (10.5 in) |
| น้ำหนัก | 80.5 g (2.84 oz) | 31.833333333333332 g (1.12 oz) |
| อาหาร | Hawks large flying insects, especially moths, at night over Papuan forest and savanna. | Hawks flying insects at night over Andean and coastal scrub of Peru and northern Chile. |
| จำนวนไข่ | 1 | -- |
| Population Trend | — | — |
Habitat Comparison
ถิ่นที่อยู่อาศัยร่วมกัน
Papuan Nightjar only
ไม่มี
Lesser Band-winged Nightjar only
Song & Call Comparison
Papuan Nightjar
Churring, repetitive nocturnal call; soft bubbling trill; melodic series of hollow notes; calls from low perch or ground in New Guinea lowland forest
Lesser Band-winged Nightjar
Soft 'tyuk' phrases; lighter and higher than Greater Band-winged; gentle churring trill; calls from Pacific coastal scrub at dusk; thin, reedy alarm note
Geographic Range & Migration
Papuan Nightjar
Resident of savanna woodland, grass, and scrub in lowland New Guinea (Papua, Indonesia and Papua New Guinea).
Lesser Band-winged Nightjar
Resident of desert scrub, rocky hillsides, and coastal pampas in Peru and northern Chile; closely associated with arid Pacific slope.
สถานะการอนุรักษ์
Papuan Nightjar
Lesser Band-winged Nightjar
How to Tell Them Apart
Papuan Nightjar
Dark grey-brown finely vermiculated with buff and black; pale buff and rufous throat patch; pale supercilium; no white wing patches; tail barred brown and buff; cryptically patterned bark-mimicking plumage.
Lesser Band-winged Nightjar
Smaller than Greater Band-winged; brown and buff mottled with dark vermiculations; white wing bar across primaries; white throat in male; buff throat in female; white outer tail spots in male; …
About These Birds
Papuan Nightjar
A small Caprimulgidae nightjar (~81 g) of lowland savanna, grassland, and forest edges across the southern lowlands of New Guinea. Cryptic buff-and-brown plumage; white-spotted wings visible in flight. Nocturnal aerial insectivore. Commonly heard at night but rarely seen by day. Least Concern.
Lesser Band-winged Nightjar
A very small Caprimulgidae nightjar (~32 g) of coastal desert scrub and rocky slopes in Peru and northern Chile. Pale-buffy with fine vermiculations and a paler wing band. Restricted to very arid Pacific-slope habitats. Nocturnal; feeds on small insects. Little studied; Least Concern in its specialised desert range.