Betula pendula
| Gender | undetermined |
| Age | undetermined |
| Plumage | undetermined |
| Recorded | 2006-09-06 |
| Location | Rothrist AG-CH |
| Copyright | Florence Rüegger |
| Gender | undetermined |
| Age | undetermined |
| Plumage | undetermined |
| Recorded | 2006-04-24 |
| Location | Rothrist AG-CH |
| Copyright | Florence Rüegger |
| Family | Betulaceae |
| Status CH | |
| References | en.wikipedia.org |
| vogelwarte.ch |
8 | 17