This application is owned by Vogeltrekstation Nederland, Sovon Vogelonderzoek Nederland and Dirk Raes (CR-birding). It is based on a design from Jeroen Nienhuis (Sovon) and programmed by Dylan Verheul (Zostera). It is further developed by the owners. The site is designed by Heleen Visser. The first phase of design and programming is funded by the Waddenfonds The Netherlands through the project Metawad. Further development is funded by Triodos Bank, Nabu and own finances.

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