Digital logbook nest box 9 and 10. 2002.

<body> <p> Your browser supports no frames.</p> <p> Write the next address. https://www.eilenbergkolonie.nl/Dag-logboeken/Box%209%20and%2010%202002/calendar%20b%2010.htm</p> <p> Or click on the next link. <a href="https://eilenbergkolonie.nl/Dag-logboeken/Box%209%20and%2010%202002/calendar%20b%2010.htm">Calendar</a></p> <p>This is the first report that is made by the Birdwatch system. We have follow the Common Swifts in detail from arrive until leaving.</p> </body>