Cave Swiftlet vs White-collared Swift
Collocalia linchi 비교 대상 Streptoprocne zonaris
Side-by-Side Comparison
| 속성 | Cave Swiftlet | White-collared Swift |
|---|---|---|
| 학명 | Collocalia linchi | Streptoprocne zonaris |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 18.7 cm (7.4 in) | 42.5 cm (16.7 in) |
| 체중 | 6.05 g (0.21 oz) | 106.45 g (3.75 oz) |
| 식성 | Entirely aerial diet of tiny insects and spiders; forages in large flocks over open country … | Obligate aerial insectivore; gathers small flying insects, winged ants, and airborne spiders during flight. |
| 산란 수 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Cave Swiftlet
Soft, rapid twittering; thin 'tsit-tsit' over Javan forests; audible echolocation clicks inside caves; colonial; produces squeaky chattering at roost sites; calls weakly in flight
White-collared Swift
Loud, screaming 'shreee-shreee'; powerful screeching trill; calls from large flocks over mountains; very audible; one of the loudest Neotropical swifts; alarm a harsh rattle
Geographic Range & Migration
Cave Swiftlet
Found in Sumatra, Java, Bali, and surrounding Indonesian islands. Resident in forest, cultivated land, and villages. Nests in rock crevices.
White-collared Swift
Found from Mexico south through Central America to South America east of the Andes, reaching Bolivia and southern Brazil. Often in large flocks.
보전 상태
Cave Swiftlet
White-collared Swift
How to Tell Them Apart
Cave Swiftlet
Tiny; dark blue-black upperparts with faint gloss; pale greyish rump band; underparts whitish with grey-buff flanks; moderately forked tail; widespread in caves across Sundaland; less glossy and less white below …
White-collared Swift
Large; glossy blue-black plumage with bold broad white collar encircling entire neck; collar clean and complete; underparts black; large slightly forked tail; among the most recognisable Neotropical swifts due to …
About These Birds
Cave Swiftlet
동굴칼새(Collocalia linchi)는 인도네시아와 말레이시아에 서식하는 소형 칼새입니다. 광택 있는 어두운 윗면과 연한 아랫면이 특징이며, 석회암 동굴에 둥지를 짓습니다.
White-collared Swift
A very large swift (20-22 cm, wingspan 45-55 cm) with a bold white collar band, the largest New World swift. Found from Mexico to southern Brazil and the Caribbean. Aerial insectivore, foraging in large, noisy flocks over forests and cities. Nests behind waterfalls and in caves.