Marty Fielding Volg ons Rodeo vogeltrekstation arnhem ring melden zwaan Ongelofelijk ethisch
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 ...