Glossy Swiftlet vs White-collared Swift
Collocalia esculenta 비교 대상 Streptoprocne zonaris
Side-by-Side Comparison
| 속성 | Glossy Swiftlet | White-collared Swift |
|---|---|---|
| 학명 | Collocalia esculenta | Streptoprocne zonaris |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 19.9 cm (7.8 in) | 42.5 cm (16.7 in) |
| 체중 | 8.66 g (0.31 oz) | 106.45 g (3.75 oz) |
| 식성 | Feeds on aerial plankton including tiny flies and spiders; forages in large noisy flocks above … | Obligate aerial insectivore; gathers small flying insects, winged ants, and airborne spiders during flight. |
| 산란 수 | 1-2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Glossy Swiftlet
Rapid, high-pitched twittering; thin 'tsit-tsit-tsit' in flight; echolocation clicks audible in cave roosts; very common; calls over forest and open areas; colonial and noisy
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
Glossy Swiftlet
Found from India and Sri Lanka through Southeast Asia to New Guinea, Australia, and Pacific islands. One of the most widespread swiftlets.
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
Glossy Swiftlet
White-collared Swift
How to Tell Them Apart
Glossy Swiftlet
Tiny; brilliant blue-green glossy upperparts; contrasting white rump patch; white underparts; deeply forked tail; widespread Indo-Pacific species and one of the most colourful swiftlets with a striking tricolour of gloss, …
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
Glossy Swiftlet
유리칼새(Collocalia esculenta)는 동남아시아에서 태평양 섬들까지 광범위하게 분포하는 소형 칼새입니다. 반짝이는 어두운 녹색 윗면과 흰 배가 특징이며, 식용 둥지로 알려진 연소속에 타액으로 만든 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.