Captive animalInstead, according to Sebastian Klein, it is a South American swamp beaver, which is found in captivity in Denmark. Therefore, he also imagines that it is probably a captive animal that has ended up in Odense Fjord.The South American swamp beaver also lives in free-living populations south of Denmark in, for example, Germany.It is smaller than the beaver, and can be recognized by its rat-like tail and hairy snout. The beaver, on th…