Silky-tailed Nightjar vs Spotted Nightjar

Antrostomus sericocaudatus 비교 대상 Eurostopodus argus

{# ════════════════════════════════════════════════════════════════════════ Side-by-side Comparison Table ════════════════════════════════════════════════════════════════════════ #}

Side-by-Side Comparison

속성 Silky-tailed Nightjar Spotted Nightjar
학명 Antrostomus sericocaudatus Eurostopodus argus
Caprimulgiformes Caprimulgiformes
Caprimulgidae Caprimulgidae
보전 상태 Least Concern Least Concern
체장
날개 폭 32.1 cm (12.6 in) 42.7 cm (16.8 in)
체중 77.5 g (2.73 oz) 102.5 g (3.62 oz)
식성 Hawks moths and beetles in nocturnal aerial sallies over South American lowland and foothill forest. Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian …
산란 수 2 1
Population Trend
{# ════════════════════════════════════════════════════════════════════════ Visual Size Comparison ════════════════════════════════════════════════════════════════════════ #} {# ════════════════════════════════════════════════════════════════════════ Habitat Comparison ════════════════════════════════════════════════════════════════════════ #}

Habitat Comparison

공유 서식지

Silky-tailed Nightjar only

없음

Spotted Nightjar only

{# ════════════════════════════════════════════════════════════════════════ Song & Call Comparison ════════════════════════════════════════════════════════════════════════ #}

Song & Call Comparison

Silky-tailed Nightjar

노래

Whistled, rolling 'pwee-pwee-pwee'; melodic phrase from Amazonian forest; calls persistently at dusk; slightly slurred delivery; alarm a sudden sharp note

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

{# ════════════════════════════════════════════════════════════════════════ Geographic Range & Migration ════════════════════════════════════════════════════════════════════════ #}

Geographic Range & Migration

Silky-tailed Nightjar

Resident of lowland and foothill forest in southern Brazil (São Paulo, Minas Gerais, Santa Catarina) and adjacent Paraguay and Argentina.

Spotted Nightjar

Resident and partial migrant of open woodland, grassland, and scrub across mainland Australia and migrating to New Guinea and Indonesia in winter.

{# ════════════════════════════════════════════════════════════════════════ Conservation Status Comparison ════════════════════════════════════════════════════════════════════════ #}

보전 상태

Least Concern

Silky-tailed Nightjar

Least Concern

Spotted Nightjar

{# ════════════════════════════════════════════════════════════════════════ Identification Tips — How to Tell Them Apart ════════════════════════════════════════════════════════════════════════ #}

How to Tell Them Apart

Silky-tailed Nightjar

깃털

Brown and buff mottled above with dark vermiculations; white gorget in male; outer tail feathers with silky-white inner webs giving smooth appearance; pale buff below; female with buff gorget and …

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 …

{# ════════════════════════════════════════════════════════════════════════ About Each Bird (Descriptions) ════════════════════════════════════════════════════════════════════════ #}

About These Birds

Silky-tailed Nightjar

비단 꼬리 나이트자는 남아메리카 중부와 동부의 아마존 및 세라도 지역에 서식합니다. 비단처럼 부드러운 꼬리 깃털이 특징이며, 삼림 가장자리와 개활 삼림에 서식합니다.

Spotted Nightjar

호주 개방 삼림, 스피니펙스 초원, 반건조 덤불에 서식하는 중형 쏙독새(~103g). 눈점박이야행소쏙독새라고도 불린다. 관심필요종.

{# ════════════════════════════════════════════════════════════════════════ Related Comparisons ════════════════════════════════════════════════════════════════════════ #} {# ════════════════════════════════════════════════════════════════════════ More Birds in Family ════════════════════════════════════════════════════════════════════════ #}

More Birds to Explore

Explore the Nature FYI Family