Vincent22 mrt. 20194 minuten2018 ringing reportThe 2018 ringing report for Meijendel, Wassenaar is out now! Download here (pdf; 4 MB; in Dutch only) English summary When the first day...
Vincent16 jan. 20181 minutenDouble trouble: redpolls!With the current redpoll invasion in Europe, it was time to spend some words and pics on these wonderful birds. Redpolls all the way from...