>These minks were born and breed in captivity. They did not last that long.<
My guess is many of them fought each other to the death. They're not pack animals, and they are voracious carnivores.
Yep, let's give this maroon a standing ovation for freeing the cute little furry animals, pining to cavort in the wild.
From what I remember many tried to cross a road and had no idea what a car was. Road Kill Cook Book.