Least Nighthawk vs Spotted Nightjar
Chordeiles pusillus 비교 대상 Eurostopodus argus
Side-by-Side Comparison
| 속성 | Least Nighthawk | Spotted Nightjar |
|---|---|---|
| 학명 | Chordeiles pusillus | Eurostopodus argus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 25.0 cm (9.8 in) | 42.7 cm (16.8 in) |
| 체중 | 29.733333333333334 g (1.05 oz) | 102.5 g (3.62 oz) |
| 식성 | Catches small flying insects in aerial pursuit over South American scrub and open areas; crepuscular. | Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian … |
| 산란 수 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Least Nighthawk
High-pitched, buzzy trill; thin 'pee-pee-pee' series; soft churring from ground; tiny size matched by high, reedy call quality; rarely loud
Spotted Nightjar
Loud churring 'good-lord-deliver-us' repeated at dusk; melodic bubbling quality; also emits hollow 'cow-cow-cow' series and soft frog-like croaking
Geographic Range & Migration
Least Nighthawk
Resident of open savanna and cerrado in interior South America from Venezuela and the Guianas south to Bolivia and central Brazil.
Spotted Nightjar
Resident and partial migrant of open woodland, grassland, and scrub across mainland Australia and migrating to New Guinea and Indonesia in winter.
보전 상태
Least Nighthawk
Spotted Nightjar
How to Tell Them Apart
Least Nighthawk
Smallest Chordeiles; brown and buff mottled above; pale buff underparts with dark barring; small white throat patch in male; narrow white wing bar; white or buff tail spots. Female has …
Spotted Nightjar
Cryptically mottled grey-brown, rufous, and black with intricate vermiculations; distinctive large white spots on wing coverts; white throat patch; no white in wings or tail. Sexes similar with slight pattern …
About These Birds
Least Nighthawk
소형나이트호크(Chordeiles pusillus)는 브라질과 볼리비아, 파라과이 동부에 서식하는 작은 나이트호크입니다. 황갈색 무늬의 깃털을 가지며, 세라도와 같은 건조 사바나 지역에 서식합니다.
Spotted Nightjar
호주 개방 삼림, 스피니펙스 초원, 반건조 덤불에 서식하는 중형 쏙독새(~103g). 눈점박이야행소쏙독새라고도 불린다. 관심필요종.