Tawny-collared Nightjar vs Cayenne Nightjar
Antrostomus salvini 비교 대상 Setopagis maculosa
Side-by-Side Comparison
| 속성 | Tawny-collared Nightjar | Cayenne Nightjar |
|---|---|---|
| 학명 | Antrostomus salvini | Setopagis maculosa |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Data Deficient |
| 체장 | — | — |
| 날개 폭 | 33.8 cm (13.3 in) | 27.8 cm (10.9 in) |
| 체중 | 56.0 g (1.98 oz) | 47.0 g (1.66 oz) |
| 식성 | Aerial insectivore; hawks moths and beetles at night over Central American forest and forest edge. | Catches flying insects in aerial pursuit at night over South American forest and scrub. |
| 산란 수 | 2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Tawny-collared Nightjar
Loud 'WHEEP' or 'weet' repeated at intervals; sharp, whistled call; carries through Mexican highland forest; higher-pitched than Chuck-will's-widow; distinctive sharp quality
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
Tawny-collared Nightjar
Resident of tropical dry forest and scrub in eastern Mexico (Veracruz, Oaxaca, Tabasco) and northern Central America.
Cayenne Nightjar
Known from a few specimens from French Guiana; possibly a rare resident of coastal forest and scrub; poorly known.
보전 상태
Tawny-collared Nightjar
Cayenne Nightjar
How to Tell Them Apart
Tawny-collared Nightjar
Brown and buff mottled above; distinctive tawny-buff collar encircling hindneck diagnostic; white gorget in male; pale buff underparts with dark barring; white outer tail spots in male; Mexican dry forests.
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
Tawny-collared Nightjar
살빈 나이트자는 멕시코에서 파나마에 이르는 중앙아메리카의 숲에 서식합니다. 다른 나이트자와 마찬가지로 나무 색 보호색 깃털을 가지고 있으며, 밤에 '살빈' 소리와 같은 특징적인 울음소리를 냅니다.
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.