Smooth snake
| Recorded | 2007-09-29 |
| Location | Kt. Bern, CH |
| Copyright | Andreas Meyer, karch |
| Location | DE |
| Copyright | Andreas Meyer, karch |
| Recorded | 2004-09-08 |
| Location | GR, CH |
| Copyright | Severin Erni |
| Family | Colubrids |
| References | en.wikipedia.org |
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