Bare-legged Swiftlet
Aerodramus nuditarsus
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<birdfyi-bird slug="aerodramus-nuditarsus"></birdfyi-bird>The Bare-legged Swiftlet (Aerodramus nuditarsus) is a bird species in the family Apodidae (swifts), within the order Caprimulgiformes (nightjars & swifts). Recorded measurements include a wingspan of 25 cm and a weight of 13.3 g. The IUCN Red List classifies it as Least Concern.
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소개
특히 저지대와 구릉지 삼림의 뉴기니에 서식하는 작은 칼새류(10~11cm). 비늘 없는 발가락이 특징이다. 공중 식충성이다.
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| 날개 폭 | 25.0 cm | 9.8 in |
| 체중 | 13.3 g | 0.47 oz |
식별
깃털
Small; dark grey-brown upperparts; pale rump band; underparts whitish-grey; forked tail; bare unfeathered tarsi distinctive among swiftlets; New Guinea lowland cave-nesting species; bare legs visible at nest but rarely field-observable.
Habitat & Range
분포 지역
Found in lowland New Guinea and adjacent islands. Resident in lowland rainforest and forest edge. Little-known Papuan endemic.
Diet & Feeding
Obligate aerial insectivore; catches minute flies, beetles, and aerial spiders while foraging near cave roosts.
보전 상태
소리
노래
High thin twittering; 'tsit-tsit' over New Guinea lowlands; echolocation clicks in cave roosts; calls weakly in flight; colonial nester producing soft flock chattering
분류학
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| 목 | Caprimulgiformes (Nightjars & Swifts) |
| 과 | Apodidae (Swifts) |
| Genus | Aerodramus |
| 종 | Aerodramus nuditarsus |
Distribution
Bare-legged Swiftlet has been recorded in 1 countries.
countries highlighted
External Databases
자주 묻는 질문
What does the Bare-legged Swiftlet eat?
Where does the Bare-legged Swiftlet live?
Is the Bare-legged Swiftlet endangered?
What does the Bare-legged Swiftlet sound like?
How big is the Bare-legged Swiftlet?
What order and family does the Bare-legged Swiftlet belong to?
Similar Birds
Other species in the Apodidae family