Vaux's Swift
Chaetura vauxi
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소개
알래스카에서 중앙아메리카까지 북미 서부에 서식하는 소형 칼새 (11–12 cm). 어두운 갈-검은색 깃털에 더 연한 목. 공중 곤충 섭취; 계절 이동.
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| 날개 폭 | 22.3 cm | 8.8 in |
| 체중 | 18.033333333333335 g | 0.64 oz |
식별
깃털
Small; dark sooty-brown upperparts; pale grey rump slightly paler than back; underparts pale greyish-brown; short spiny tail; smaller and paler-bellied than Chimney Swift; Pacific coast North American species with subtly contrasting rump.
Habitat & Range
분포 지역
Breeds in western North America from Alaska south to Central America. Migrates to winter in Venezuela and northwestern South America.
Diet & Feeding
Exclusively aerial insectivore catching small flying insects and spiders drifting in aerial plankton at altitude.
보전 상태
행동 및 번식
둥지
Nest type: CV,HC. Incubation: 19 days. Fledging: 20-30 days.
산란 수
1-7
소리
노래
Soft, high sibilant whisper followed by ticking notes; delicate trill barely audible beyond immediate roosting vicinity.
분류학
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| 목 | Caprimulgiformes (Nightjars & Swifts) |
| 과 | Apodidae (Swifts) |
| Genus | Chaetura |
| 종 | Chaetura vauxi |
Distribution
Vaux's Swift has been recorded in 2 countries.
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External Databases
자주 묻는 질문
What does the Vaux's Swift eat?
Where does the Vaux's Swift live?
Is the Vaux's Swift endangered?
How does the Vaux's Swift nest?
What does the Vaux's Swift sound like?
How big is the Vaux's Swift?
What order and family does the Vaux's Swift belong to?
Similar Birds
Other species in the Apodidae family