Great Eared-nightjar vs Cayenne Nightjar
Lyncornis macrotis so với Setopagis maculosa
Side-by-Side Comparison
| Thuộc Tính | Great Eared-nightjar | Cayenne Nightjar |
|---|---|---|
| Tên Khoa Học | Lyncornis macrotis | Setopagis maculosa |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Caprimulgidae | Caprimulgidae |
| Tình Trạng Bảo Tồn | Least Concern | Data Deficient |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 53,3 cm (21.0 in) | 27,8 cm (10.9 in) |
| Khối Lượng | 135,25 g (4.77 oz) | 47,0 g (1.66 oz) |
| Chế Độ Ăn | Hawks large flying insects at night; one of the largest nightjars; forages over SE Asian … | Catches flying insects in aerial pursuit at night over South American forest and scrub. |
| Số Trứng | 1 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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
Cayenne Nightjar
Poorly known vocalizations; presumed churring trill based on genus; extremely rare recordings; distinct from other Setopagis by subtle tonal and rhythm differences
Geographic Range & Migration
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.
Cayenne Nightjar
Known from a few specimens from French Guiana; possibly a rare resident of coastal forest and scrub; poorly known.
Tình Trạng Bảo Tồn
Great Eared-nightjar
Cayenne Nightjar
How to Tell Them Apart
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.
Cayenne Nightjar
Brown and buff mottled above with dark vermiculations; pale buff below with darker barring; white throat patch in male; outer tail spots white; data deficient; known from only a handful …
About These Birds
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.
Cayenne Nightjar
A small Caprimulgidae nightjar (~47 g) from coastal French Guiana and adjacent Suriname. Known from only a handful of specimens; biology essentially unknown. Mottled brown plumage presumed cryptic in leaf litter. Presumed nocturnal insectivore. Data Deficient due to extreme rarity of confirmed records in the wild.