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| Reporter: | Olaf Rudi |
| Observers: | Olaf Rudi |
| Site: | Ruditjern () |
| Date: | 2010-04-01 |
| Aktivitet: | Spring phenology |
Funn
| Species: | Mallard (Anas platyrhynchos) | |
| Phenophase: | Arrival | 15.03.2010 |
| Species: | Svane (Cygnus sp.) | |
| Phenophase: | Arrival | 29.03.2010 |