Mees's Nightjar vs Cayenne Nightjar
Caprimulgus meesi مقارنةً بـ Setopagis maculosa
Side-by-Side Comparison
| السمة | Mees's Nightjar | Cayenne Nightjar |
|---|---|---|
| الاسم العلمي | Caprimulgus meesi | Setopagis maculosa |
| الرتبة | Caprimulgiformes | Caprimulgiformes |
| الفصيلة | Caprimulgidae | Caprimulgidae |
| حالة الحفاظ | Least Concern | Data Deficient |
| الطول | — | — |
| طول الجناح | 33,6 cm (13.2 in) | 27,8 cm (10.9 in) |
| الوزن | 66,2 g (2.34 oz) | 47,0 g (1.66 oz) |
| النظام الغذائي | Crepuscular and nocturnal aerial insectivore; pursues moths and flying beetles over grassland and woodland margins. | Catches flying insects in aerial pursuit at night over South American forest and scrub. |
| عدد البيض في الوضع | -- | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Mees's Nightjar
Churring trill from Wallacean islands; repetitive hollow call; closely related to Large-tailed Nightjar; calls from coastal scrub and open woodland at dusk
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
Mees's Nightjar
Endemic to the Lesser Sunda Islands of Indonesia, primarily Timor. Resident in lowland forest, open woodland, and savanna.
Cayenne Nightjar
Known from a few specimens from French Guiana; possibly a rare resident of coastal forest and scrub; poorly known.
حالة الحفاظ
Mees's Nightjar
Cayenne Nightjar
How to Tell Them Apart
Mees's Nightjar
Brown-grey upperparts with blackish crown streaks and pale buff mottling; buff-white supercilium; white chin patch; underparts barred pale buff and brown; closely resembles Large-tailed Nightjar but marginally paler.
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
Mees's Nightjar
A recently split nightjar (24-26 cm) from the Lesser Sunda Islands of Indonesia. Closely related to the Large-tailed Nightjar but with subtly different vocalizations and plumage tones. Nocturnal insectivore of lowland forests and forest edges.
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.