pomp Lieve Jumping jack vogeltrekstation arnhem ring melden tegel Ontmoedigen parachute
Griel - Vogeltrekstation Nederland
Griel - Vogeltrekstation Nederland
Antonio Palma on Twitter: "The importance to peek a #bird casualty. Any recovery is a useful data to any project. In this case, metalic and PVC ring on it - #Vogeltrekstation Arnhem scheme. Feedback coming! #CitizenScience #BirdRinging #BirdBanding ...