The crayfish is a Hungry Caterpillar. Mating instinct, urge to dig and insatiable hunger characterize the exotic animals. Their gluttony poses a serious threat to biodiversity. Crayfish eat aquatic animals and insects. They also cut up plants that provide habitat for animals and clear water. To stop the advance, the Molenpolder near Tienhoven will become the setting for a new experiment: it is now nature itself’s turn.
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