Wondering how many keep them and how many let them go? I see alot of trappers on YouTube letting them go and then talk about how they are managing the species they keep. Seems like a mixed message as if possums don't need managed. Just put up my 3rd one of the season. I feel I'm doing my part in helping the ground nesting birds. And besides IMO possum fur is beautiful.
A healthy possum only has a 2 year life span. Something needs to clean up dead stuff in the winter when the turkey buzzards leave. I kill any that are injured or in or near a horse pasture or within a mile of a chicken coop.. Other wise I release them. They dont seem to get over populated here. I am far enough north I think winter kills a lot of them.
Those who would give up essential liberty, to purchase a little temporary safety, deserve neither liberty nor safety. Benjamin Franklin (1706-1790)
I let em go. They aren't worth my effort to bring them home. I try to not kill anything that ain't worth anything to me. I'm fine with whatever anyone else chooses to do with them though. I'm not telling anyone they are wrong for doing whatever they think is the right thing.