Bornean Swiftlet vs Chestnut-collared Swift
Collocalia dodgei 比較対象 Streptoprocne rutila
Side-by-Side Comparison
| 属性 | Bornean Swiftlet | Chestnut-collared Swift |
|---|---|---|
| 学名 | Collocalia dodgei | Streptoprocne rutila |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Not Evaluated | Least Concern |
| 体長 | — | — |
| 翼開長 | — | 26.0 cm (10.2 in) |
| 体重 | 6.1 g (0.22 oz) | 21.8 g (0.77 oz) |
| 食性 | Small aerial insectivore feeding on minute flying insects and spiders; forages over forest canopy and … | Entirely airborne feeder on tiny flies, gnats, and airborne arachnids; one of the most aerial … |
| 一腹卵数 | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Bornean Swiftlet
High thin twittering; soft 'tsit' notes over Borneo mountains; echolocation in cave roosts; tiny highland swiftlet; call weakly audible; soft rapid chittering in flight
Chestnut-collared Swift
High, screaming trill; rapid 'scree-scree' in flight; shrill and penetrating; calls over Neotropical mountains and canyon edges; alarm a rapid screeching chatter
Geographic Range & Migration
Bornean Swiftlet
Endemic to Borneo in lowland dipterocarp forest and hill forest. Closely related to Glossy Swiftlet; range barely extends to Palawan.
Chestnut-collared Swift
Found from Mexico and the Caribbean south through Central America and South America to Argentina. Resident in highlands near mountain cliffs.
保全状況
Bornean Swiftlet
Chestnut-collared Swift
How to Tell Them Apart
Bornean Swiftlet
Tiny; dark glossy blue-green upperparts; pale whitish rump band; dark sooty-grey underparts; forked tail; Borneo endemic restricted to montane zones; similar to Glossy Swiftlet but less white below and confined …
Chestnut-collared Swift
Dark blackish-brown body with diagnostic rich chestnut collar encircling entire neck; collar bold and complete; underparts slightly paler brown; small swift with striking warm-toned neck band contrasting vividly with dark …
About These Birds
Bornean Swiftlet
A small swiftlet (9-10 cm) endemic to montane forests of northern Borneo at 900-3,400 m elevation. Dark glossy plumage. Aerial insectivore. Colonial cave nester. Restricted to high-altitude caves on Mount Kinabalu and neighboring peaks. Limited ecological data.
Chestnut-collared Swift
チェストナットカラードスウィフトは中央アメリカと南アメリカ北部の山岳地帯に生息するアマツバメである。