Alpine Swift
| Recorded | 2017-05-09 |
| Location | Rothrist AG, CH |
| Copyright | Beat Rüegger |
| Recorded | 2018-07-08 |
| Location | Zofingen AG, CH |
| Copyright | Beat Rüegger |
| Family | Swifts |
| References | en.wikipedia.org |
4 | 20