Annual report.
| Nest box 14.
2001. Built-in observation box The nest box northerly |
|
| At the end of the breeding season there will be stay the night for 4 times. | |
| 23-07 | 15:40 1 common swift goes into the nest box. There is also a night stay. |
| 25-07 | 21:45 2 common swifts hitch on the nest box. Just 1 common swift goes into the nest box. |
| 27-07 | 14:00 common swift sits in the exit and shouted. Common swift doesn't stay the night in the nest box. |