Localities: Ruditjern: 01.04.2010
| Reporter: | Olaf Rudi |
| Observers: | Olaf Rudi |
| Site: | Ruditjern () |
| Date: | 2010-04-01 |
| Activity: | Spring phenology |
Observation
| Species: | Mallard (Anas platyrhynchos) | |
| Phenophase: | Arrival | 15.03.2010 |
| Species: | Cygnus sp. | |
| Phenophase: | Arrival | 29.03.2010 |