Spotted Nightjar vs White-tailed Nightjar
Eurostopodus argus 비교 대상 Hydropsalis cayennensis
Side-by-Side Comparison
| 속성 | Spotted Nightjar | White-tailed Nightjar |
|---|---|---|
| 학명 | Eurostopodus argus | Hydropsalis cayennensis |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 42.7 cm (16.8 in) | 27.3 cm (10.7 in) |
| 체중 | 102.5 g (3.62 oz) | 35.75 g (1.26 oz) |
| 식성 | Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian … | Aerial insectivore; catches moths, beetles, and flying insects at night over South American open and … |
| 산란 수 | 1 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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
White-tailed Nightjar
Rapid, whirring trill; 'churrrr' repeated with nasal quality; calls from open savanna and grassland at dusk; alarm a sharp bark; males display low over ground
Geographic Range & Migration
Spotted Nightjar
Resident and partial migrant of open woodland, grassland, and scrub across mainland Australia and migrating to New Guinea and Indonesia in winter.
White-tailed Nightjar
Resident of open savanna and forest edge from Costa Rica through Colombia and Venezuela to the Guianas and northern Brazil; also Caribbean islands.
보전 상태
Spotted Nightjar
White-tailed Nightjar
How to Tell Them Apart
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 …
White-tailed Nightjar
Male brown and grey mottled; white outer tail feathers diagnostic; white throat; small white wing spots; female has buff outer tail feathers and lacks white wing spots; scrubby savanna habitats.
About These Birds
Spotted Nightjar
호주 개방 삼림, 스피니펙스 초원, 반건조 덤불에 서식하는 중형 쏙독새(~103g). 눈점박이야행소쏙독새라고도 불린다. 관심필요종.
White-tailed Nightjar
흰미끄러지기칼은 남아메리카 북부 지역에 서식하는 쏙독새 종류이다. 갈색과 회색의 얼룩무늬 깃털로 낮 동안 나무 위에서 위장하여 숨는다. 야행성으로 밤에 날아다니며 곤충을 잡아먹고 특유의 울음소리를 낸다.