Buff-collared Nightjar vs Spotted Nightjar

Antrostomus ridgwayi 비교 대상 Eurostopodus argus

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Side-by-Side Comparison

속성 Buff-collared Nightjar Spotted Nightjar
학명 Antrostomus ridgwayi Eurostopodus argus
Caprimulgiformes Caprimulgiformes
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
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Habitat Comparison

공유 서식지

Buff-collared Nightjar only

없음

Spotted Nightjar only

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Song & Call Comparison

Buff-collared Nightjar

노래

Rapid, staccato 'cuk-cuk-cuk-WEEEER'; accelerating series ending in long slurred note; carries through arid Mexican canyons; distinctive rapid chucking intro

Spotted Nightjar

노래

Loud churring 'good-lord-deliver-us' repeated at dusk; melodic bubbling quality; also emits hollow 'cow-cow-cow' series and soft frog-like croaking

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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.

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보전 상태

Least Concern

Buff-collared Nightjar

Least Concern

Spotted Nightjar

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How to Tell Them Apart

Buff-collared Nightjar

깃털

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

깃털

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 …

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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.

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