The fluffy heralds of spring Have you spotted them yet? Those large, fluffy appearances that float from crocus to crocus like living felt balls. With their low, sonorous hum and diligent wing beats, they vibrate themselves warm, ready to brave the early spring. Those are the bumblebees: the charming heavyweights of our nature. Did you know that these soft, buzzing bears are indispensable? While other insects are still sleeping, they are already busy pollinating our most beautiful flowers. During the Bumblebee Weekend , we will head into nature reserve De Maten to discover the 12 local bumblebee species. Let yourself be amazed by their activity and get to know the secrets of these useful little animals.