The large enclosure for Wolverines (Gulo gulo) at Bielefeld Tierpark.
Eurasian Beavers (Castor fiber) and Nutrias (Myocastor coypus) share a large enclosure which is a separated section of Bielefeld Tierpark's pond...
Visitors can take a look into the beaver den at Bielefeld Tierpark.
The den of the Eurasian beavers (Castor fiber) at Bielefeld Tierpark.
Separate names with a comma.