|Andean Swift Aeronautes andecolus
Chilean name: Vencejo chico
The Andean Swift is distributed in the Andes of Peru, Bolivia, northern Chile and western Argentina. It is usually found in arid or semi-arid montane scrub but can be found in oasis valleys.
is a well marked swift with long, noticeably thin wings and a long,
moderately forked tail. Above it shows a pale rump and white collar while
below it is mainly whitish with a black belly and tail. There is a narrow
white trailing edge to the secondaries.
There are recordings and a distribution map on xeno-canto .