I can't believe in Michigan that they're a protected species and cannot be taken by any means at any time. Yet, weasels, which are not very numerous in Michigan, can be killed at any time for any reason. Virtually every woodlot is infested with Flying Squirrels, just most folks don't see them because they're nocturnal.
Our DNR are morons.
Weasels (ermine) are predators very efficient and kill animals much larger than them selfs...they are more common than you think....only time they are really seen is on the high side of there population cycle....I have targeted them trapping my usual buyers are taxidermists.....
