Christmas Island Swiftlet
Collocalia natalis
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<birdfyi-bird slug="collocalia-natalis"></birdfyi-bird>소개
A small swiftlet (12 cm) endemic to Christmas Island in the Indian Ocean. Dark plumage with a slightly forked tail. Aerial insectivore, foraging over the island's rainforest canopy. Colonial cave nester. Population estimated at 6,000-8,000 individuals. Classified as Vulnerable.
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| 체중 | 4.75 g | 0.17 oz |
식별
깃털
Tiny; dark brownish-black upperparts with minimal gloss; pale grey-buff rump band; greyish-white underparts; forked tail; Christmas Island endemic; differs from Cave Swiftlet in duller upperparts and restricted oceanic island range.
Habitat & Range
분포 지역
Endemic to Christmas Island in the eastern Indian Ocean. Resident in forested areas. Small population vulnerable to introduced predators.
Diet & Feeding
Aerial plankton feeder taking tiny midges, fungus gnats, and ballooning spiders in rapid coursing flights.
행동 및 번식
둥지
Nest type: CP. Incubation: 22-25 days. Fledging: 40-45 days.
산란 수
2
소리
노래
Very high, thin twittering; 'chip' notes over Christmas Island forest; audible echolocation clicks in sea cave roosts; one of smallest swiftlets; barely audible to humans
분류학
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| 목 | Caprimulgiformes (Nightjars & Swifts) |
| 과 | Apodidae (Swifts) |
| Genus | Collocalia |
| 종 | Collocalia natalis |
Distribution
Christmas Island Swiftlet has been recorded in 1 countries.
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External Databases
자주 묻는 질문
What does the Christmas Island Swiftlet eat?
Where does the Christmas Island Swiftlet live?
How does the Christmas Island Swiftlet nest?
What does the Christmas Island Swiftlet sound like?
How big is the Christmas Island Swiftlet?
What order and family does the Christmas Island Swiftlet belong to?
Similar Birds
Other species in the Apodidae family