2024-07-28 00:00:00 Your digital field guide always at hand. An interactive app with the most common birds (sounds), wild flowers, mushrooms and mammals. The app has more than 600 types! Thanks to the Prins Bernhard Cultuurfonds and the Vlinderstichting, the Veldgids now has all butterflies in the Netherlands, with a list of seriously endangered butterflies in the near future.