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| First Page | Document Content | |
|---|---|---|
 Date: 2010-12-02 06:36:59Sempach Sempach Bird Observatory Col de Bretolet Bird ringing Bird observatory Emberiza Bunting Ornithology Bird migration Canton of Lucerne |
 | Bird Ringing for Science and Conservation EURING The European Union for Bird RingingDocID: 18zH0 - View Document |
 | Bird Ringing for Science and ConservationDocID: 1S3b - View Document |
| PDF DocumentDocID: ODf - View Document |