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| Rapportør: | Olaf Rudi |
| Observatører: | Olaf Rudi |
| Site: | Ruditjern () |
| Date: | 2010-04-13 |
| Aktivitet: | Spring phenology |
Funn
| Art: | Common Goldeneye (Bucephala clangula) | |
| Phenophase: | Arrival | 08.04.2010 |
| Art: | Eurasian Curlew (Numenius arquata) | |
| Phenophase: | Arrival | 08.04.2010 |
| Art: | Svane (Cygnus sp.) | |
| Phenophase: | Arrival | 27.03.2010 |