Jim, as Im sure you know, things can go awry out there. Especially when your running lots of traps. There is simply no way to control everything, however I agree that there are some things we can control most of the time and that should be our goal.
As for the pictures above and how you could get fur damage with that catch.....On my trapline that marten would be ruined in a 5-day check, maybe sooner. Out in the open like that birds would find it quickly. I don't have much of a problem with whiskey jacks getting into my traps, but smaller birds are terrible. They peck at the body for some reason, Im assuming they like the fur, or use it for something?? I just know they would ruin it in a short time. I try to pick trees with more overhanging branches for cover. If thats not possible, I let the marten hang against the tree where it will blend in a bit better. I would rather deal with some pitch than have a marten ruined; and pitch has never been a big problem for me. Another thing that could cause damage to that marten is the trap itself....especially the 2001-5. I've seen catches just like that break the skin behind the head. My theory is that those traps are so powerful that if they strike the head near the back of the skull the jaws can rip the fur as it slides onto the base of the neck. I've also seen those traps drive bones through the hide when the skull is fractured. My son got a pile of the 2001-5s when he bought his line. He just sold them and bought Belisle because of the damage he was seeing. I used to use nothing but the 2001-5, and loved the trigger, but am slowly replacing them with Belisle.
Since were talking about making things better, I will share a bit about something I have a real problem with. As you know the AIHTS is being phased in over a period of time. I think the Yukon pushed this up a bit, but we are now required to use only certified restraining traps for wolves. Two of the traps they have certified are the worst inventions ever given to trappers. I know how hard wolves are to catch, and I am very doubtful that those traps saw real world tests. I have pictures that show extreme foot damage those traps can cause. The two best wolf traps made, AK#9 and the Canadian Koro #9 are not even on the list!! Like a lot of guys on here I've caught enough wolves with those two traps to know they are good traps...far better than anything on their list. But because of the new law I now have about $4500 worth of the best traps on the market that I can't use!! Legally anyway. How is that helping anyone or the animals?? So I've written a letter and provided them with some pictures. I know it won't do any good but I had to try. I've looked into it a bit, and even talked with a couple of manufacturers and have found out that the majority of the trap testing is done via computer modelling and simulation....much like global warming.