Andean Swift vs Chestnut-collared Swift
Aeronautes andecolus comparé à Streptoprocne rutila
Side-by-Side Comparison
| Attribut | Andean Swift | Chestnut-collared Swift |
|---|---|---|
| Nom scientifique | Aeronautes andecolus | Streptoprocne rutila |
| Ordre | Caprimulgiformes | Caprimulgiformes |
| Famille | Apodidae | Apodidae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | — |
| Envergure | 28,0 cm (11.0 in) | 26,0 cm (10.2 in) |
| Poids | 17,1 g (0.60 oz) | 21,8 g (0.77 oz) |
| Régime alimentaire | Entirely aerial insectivore consuming swarms of tiny flies, winged ants, and ballooning spiders on the … | 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
Andean Swift
Melodic whistled phrase with clear flute-like quality; gentle ascending series of pure notes echoing across high Andean slopes.
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
Andean Swift
Found along the Andes from Peru and Bolivia south to Chile and Argentina at 2,000–4,500 m. Resident in Andean valleys and rocky slopes.
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
Andean Swift
Chestnut-collared Swift
How to Tell Them Apart
Andean Swift
Dark blackish-brown upperparts; white throat and white flanks; slightly less bold white patterning than White-throated Swift; Andean high-altitude specialist ranging Peru to Argentina; similar plumage to congeners but geographically separated.
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
Andean Swift
A medium-sized swift (14-16 cm) of the high Andes from Peru to Argentina, typically found at 2,500-4,500 m elevation. Brown plumage with a white collar and belly. Aerial insectivore, foraging over high-altitude puna grassland and mountain slopes. One of the highest-flying swifts.
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.