It also brings up the question: How happy should we be with the increasing number of beavers? The number of muskrats – which like to gnaw like the beaver – is almost zero because it is being displaced, while the beaver is getting bigger and bigger. In the whole of the Netherlands there are now about 4500, Krom estimates. A third of these are in the area of the Rivierenland Water Board. “You can see that beaver thrives in the wet nature in our area. But yes, they also entail risks.”