Somehow, I think your "test" will be sucessful. Many years ago, on the farm I grew up on, my Dad taught me the finer arts of ammunition enhancements that I used with satisfying results during many an evening of wildlife "viewing". What are you using to serenade them into view/range?
Wounded Rabbit?
I have been taking targets of opportunity but I think I will try and borrow SLB's neighbors puppy.