Andean Swift vs White-collared Swift
Aeronautes andecolus comparado con Streptoprocne zonaris
Side-by-Side Comparison
| Atributo | Andean Swift | White-collared Swift |
|---|---|---|
| Nombre científico | Aeronautes andecolus | Streptoprocne zonaris |
| Orden | Caprimulgiformes | Caprimulgiformes |
| Familia | Apodidae | Apodidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 28,0 cm (11.0 in) | 42,5 cm (16.7 in) |
| Peso | 17,1 g (0.60 oz) | 106,45 g (3.75 oz) |
| Dieta | Entirely aerial insectivore consuming swarms of tiny flies, winged ants, and ballooning spiders on the … | Obligate aerial insectivore; gathers small flying insects, winged ants, and airborne spiders during flight. |
| Tamaño de la puesta | -- | 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.
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
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.
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.
Estado de conservación
Andean Swift
White-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.
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
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.
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.