The German oberservations from Paul Westrich in 2020

Under the link you will find the confirmed observations of Paul Westrich in Germany in 2020. Described and entered on a map. (in german).

https://www.wildbienen.info/forschung/projekte_20.php

הועלה ב-מרץ 27, 2021 09:04 אחה"צ על ידי frank007