Buff-collared Nightjar vs Spotted Nightjar
Antrostomus ridgwayi 비교 대상 Eurostopodus argus
Side-by-Side Comparison
| 속성 | Buff-collared Nightjar | Spotted Nightjar |
|---|---|---|
| 학명 | Antrostomus ridgwayi | Eurostopodus argus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 30.0 cm (11.8 in) | 42.7 cm (16.8 in) |
| 체중 | 49.5 g (1.75 oz) | 102.5 g (3.62 oz) |
| 식성 | Catches moths and flying insects at night over arid scrub and rocky canyons of Mexico … | Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian … |
| 산란 수 | 2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Buff-collared Nightjar
Rapid, staccato 'cuk-cuk-cuk-WEEEER'; accelerating series ending in long slurred note; carries through arid Mexican canyons; distinctive rapid chucking intro
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
Buff-collared Nightjar
Breeds in arid scrub and dry woodland in southwestern USA (Arizona, New Mexico) and western Mexico; winters south to Honduras.
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
Buff-collared Nightjar
Spotted Nightjar
How to Tell Them Apart
Buff-collared Nightjar
Brown and grey mottled with dark vermiculations; buff-orange collar across hindneck diagnostic; white gorget in male; pale buff underparts with dark barring; white outer tail spots in male; arid southwest …
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
Buff-collared Nightjar
지프 나이트자는 멕시코 서부와 중앙 아메리카 일부에 서식하는 나이트자입니다. 건조한 관목 지대와 서반구 열대 낙엽 숲에 서식하며, 밤에 특징적인 '부 윔-윔' 소리를 냅니다.
Spotted Nightjar
호주 개방 삼림, 스피니펙스 초원, 반건조 덤불에 서식하는 중형 쏙독새(~103g). 눈점박이야행소쏙독새라고도 불린다. 관심필요종.