This April 2019 camera trap video shows that otters are back in the Dutch Reeuwijkse Plassen nature reserve.
Otters had been absent for nearly fifty years in that area.
The Eurasian otter typically eats fish, but amphibians, which are in global decline, are also part of its diet, especially when fish are scarce. In a Mammal Review study, researchers identified bones of amphibians in otter faeces from southern Italy to determine which types of amphibians are typically eaten. They also reviewed 64 studies of otter diet: here.
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