My response in
red Nershi wrote:Fowler here are a few things to think about.
When wood duck houses were invented very few were put them on posts with predator guards yet the wood duck population came back strong. Was it because of the boxes or the trees grew back over the years? Were the predator numbers lower back then because more hunters living off the land kept them in check compared to recent times?
Minnesota now has enough natural breeding habitat that one could argue whether wood duck boxes are even needed. There are plenty of wood ducks breeding in areas that do not have wood duck houses for miles. Is predation on natural cavities lower than in boxes? Ah... I mentioned both things if you even bothered to read what I wrote this AM as I agree with you..
There are places that people want to put up wood duck houses that you cannot place a post the required distance a from a tree or the areas are simply not practical to use posts. For example the river that our duck shack is on has woods that come up close to the river edge and the entire river is loon chit. Who knows how long of a pole would be needed to place a wood duck house in that stuff. I wouldn't be surprised if a 30 ft pole is needed. If you wanted to put it a house the required distance from a tree you would need to put the house in the middle of the river which isn't happening. Are you suggesting that you are better off not putting up a house in these areas? Yes. Why bother as it seems that there are enough trees, eh?
I am sure you could show me studies of the 80% predation rate but my experience hasn't matched that. Like mentioned my buddy kicks out a couple hundred wood ducks per year out of his boxes in SW MN. They do Spring counts on their ponds each year. He has had his boxes up for years and has only had a couple boxes raided. If 80% were being raided he wouldn't have that many ducklings in his pond each year. This tells me either the scientific study was flawed or the predation rate varies largely from area to area. Contradicting things do make it harder for people to come to a mutually agreeable view point. Maybe they do predator management where he is? Maybe there are so many coyotes that they are giving the racoons hell. Maybe the hunters are killing off the squirrels so very few get into the boxes. I don't know. I just know I had a major problem here in the west metro. And also for years the scientists have said 80% of the natural Wood duck nests are raided.
BTW, if one does buy in quantity you can get a better price on guards. It does help.
Also, I have said for a while now that if you have 2' of more water, it seems that the mink and racoon leave the boxes alone.for the most part. So why bother with a PG? I don't use them when 2+' of open water. But that is not so from my experience of predators leaving the boxes/nests alone if the pole is in cattails or the shoreline.
Will any of this stop me from advocating for what is "best" and do as Rob suggests, that I advocate for mediocrity? It is like a lobbyist advocating for half measures. Huh? Why even bother? I'll let Rob be the half measures advocate around here, as he seems pretty good at that..
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God, help me be the man that my dog thinks that I am.