Andean Swift vs Black Spinetail
Aeronautes andecolus comparado con Telacanthura melanopygia
Side-by-Side Comparison
| Atributo | Andean Swift | Black Spinetail |
|---|---|---|
| Nombre científico | Aeronautes andecolus | Telacanthura melanopygia |
| Orden | Caprimulgiformes | Caprimulgiformes |
| Familia | Apodidae | Apodidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 28,0 cm (11.0 in) | 32,4 cm (12.8 in) |
| Peso | 17,1 g (0.60 oz) | 52,0 g (1.83 oz) |
| Dieta | Entirely aerial insectivore consuming swarms of tiny flies, winged ants, and ballooning spiders on the … | High-speed aerial insectivore catching small flying insects and aerial spiders during fast sustained flight. |
| Tamaño de la puesta | -- | -- |
| 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.
Black Spinetail
Deep, resonant chattering with gravelly undertones; series of rough churring notes interspersed with sharp screaming calls.
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.
Black Spinetail
Found in West and Central Africa from Nigeria and Cameroon east to Uganda. Resident in lowland rainforest and forest edge.
Estado de conservación
Andean Swift
Black Spinetail
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.
Black Spinetail
Large; entirely black plumage with slight gloss; black rump unlike white-rumped congeners; underparts dark; spiny tail; West African forest species; all-black coloration with no contrasting markings distinguishes it from all …
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.
Black Spinetail
A medium-sized spinetail swift (14-15 cm) of lowland rainforests in West and Central Africa. All-dark plumage. Spine-tipped tail for bracing against tree trunks. Aerial insectivore, foraging above the forest canopy. Nests inside hollow trees. Uncommon and seldom observed.