The Alpine Swift is a large swift with a pale belly. In a tracking study, one individual was reported to remain almost continuously in flight for more than 200 days.
It is much larger than the Common Swift and has a pale belly.
One individual tracked from a Swiss breeding site was reported to remain almost continuously in flight for more than 200 days.
Parents carry packets of prey to nestlings. Samples from Switzerland, Spain and South Africa contained flies, beetles, ants, leafhoppers and aphids.
Three food packets collected at Solothurn, Switzerland, in 1975 contained 228 insects, with ants and hoverflies the most numerous prey types.
The brown body has a white throat and belly separated by a brown breast band.
An extinction-risk assessment has not been added yet.