Bornean Swiftlet vs Chestnut-collared Swift
Collocalia dodgei comparé à Streptoprocne rutila
Side-by-Side Comparison
| Attribut | Bornean Swiftlet | Chestnut-collared Swift |
|---|---|---|
| Nom scientifique | Collocalia dodgei | Streptoprocne rutila |
| Ordre | Caprimulgiformes | Caprimulgiformes |
| Famille | Apodidae | Apodidae |
| Statut de conservation | Not Evaluated | Least Concern |
| Longueur | — | — |
| Envergure | — | 26,0 cm (10.2 in) |
| Poids | 6,1 g (0.22 oz) | 21,8 g (0.77 oz) |
| Régime alimentaire | 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 … |
| Taille de la couvée | -- | 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.
Statut de conservation
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
A small swift (13-14 cm) found from Mexico through Central America and South America to Bolivia and Brazil. Dark plumage with a distinctive chestnut collar and throat. Aerial insectivore, often foraging in mixed-species swift flocks over forests and highlands.