Donaldson Smith's Nightjar vs Spotted Nightjar
Caprimulgus donaldsoni 비교 대상 Eurostopodus argus
Side-by-Side Comparison
| 속성 | Donaldson Smith's Nightjar | Spotted Nightjar |
|---|---|---|
| 학명 | Caprimulgus donaldsoni | Eurostopodus argus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 26.0 cm (10.2 in) | 42.7 cm (16.8 in) |
| 체중 | 29.75 g (1.05 oz) | 102.5 g (3.62 oz) |
| 식성 | Nocturnal insect hawker feeding on moths, beetles, and flying crickets; hunts in buoyant coursing flight. | 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
Donaldson Smith's Nightjar
Soft, rapid churring; thin 'trrrr' at moderate pitch; small size produces lighter call; calls from dry African scrub at night; poorly known vocalizations
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
Donaldson Smith's Nightjar
Found across sub-Saharan Africa from Gabon south to South Africa. Common in woodland, forest edge, and gardens. Produces distinctive churring calls.
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
Donaldson Smith's Nightjar
Spotted Nightjar
How to Tell Them Apart
Donaldson Smith's Nightjar
Small and compact; pale greyish-brown upperparts finely vermiculated blackish; narrow whitish supercilium; small white throat spot; underparts pale buff with faint barring; notably small size compared to African relatives.
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
Donaldson Smith's Nightjar
소말리아, 에티오피아, 케냐의 건조한 덤불과 반건조 관목지대에 사는 소형 쏙독새(20-22 cm). 창백한 회갈색 깃털을 가진다. 야행성 곤충 포식자다. 미국 탐험가 도날드슨 스미스의 이름을 따서 명명되었으며, 야생에서 연구가 부족하다.
Spotted Nightjar
호주 개방 삼림, 스피니펙스 초원, 반건조 덤불에 서식하는 중형 쏙독새(~103g). 눈점박이야행소쏙독새라고도 불린다. 관심필요종.