5.
By 1956, they had escaped or been intentionally released into the wild and had begun to breed.
6.
There were also several instances of animal rights activists freeing large numbers of mink from fur farms in the 1990s, before the industry was banned in 2000,
7.
Yet many of these animals were extremely tame and easily recaptured before they could establish themselves in the wild.
8.
In the past 40 years, their population has exploded and they have become a common sight along waterways -