Olvesen's Monitoring Groups
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Olvesen's nests
| Little Sedge Island. Installed in 2010. | |
| Substrate | Osprey Nest Platform |
| Last activity | over 9 years |
| Followers | 2 |
| Wenzel - Little Sedge 2. | |
| Substrate | Osprey Nest Platform |
| Last activity | over 9 years |
| Followers | 2 |
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