Annual report.
| Nest box 2.
2001. Type Losser The nest box easterly |
|
| The common swifts don't come back to the nest box. The reason why we should never know it for sure, but in all probably they are lost their lives one way or another. Other common swifts should not occupy the nest box quickly. With below information goes to show that common swifts in the neighbourhood have the information, there is a nesting-place. | |
| 29-04 | 19:50 a group of 4 common swifts whistle pass the nest box. |
| 30-04 | 09:20 1 common swift flies three times pass the nest boxes 1, 2 and 4 and encloses with a group of 3 common swifts. |