The mink story is interesting... presumably they are native, but had disappeared locally due to overhunting. But probably many of their competitors also disappe

The mink story is interesting... presumably they are native, but had disappeared locally due to overhunting. But probably many of their competitors also disappeared (martins, weasels, etc) so there's an opening. Though even that wouldn't seem sufficient... it's not like minks are undergoing natural population booms elsewhere. Which makes me think that there's simply a critical mass advantage, like maybe mink are too anti-social for their own good.