What I can tell you is that if you're going to try this at home on your own front porch, either you'll want sturdier furniture [that's not my lawn chair, but it sure could have been], or you'll want to be the one on top.
Given this heritage to live up to, it shouldn't be a surprise when I tell you that almost exactly two months ago, just days before luring all the porch cats into the house, I came home one afternoon to find mom cat entertaining gentleman callers on the front porch.
I started a post about it, but decided to wait and see what developed before reporting on the event. I mean, breast-feeding is supposed to be an effective form of birth control, right? The kittens you've been reading about were still heartily bellying up to the milk bar every day at the time. It should have worked.
Well, if you were paying attention in biology class you know what developed. More kittens. Born just about 48 hours ago. At least four of them, maybe five, but I can't tell for sure. They're under the bed, surrounded by the dog's blanket. It's unclear whether mom cat dragged the blanket under the bed, or the dog, self-appointed kitten guardian that he is, donated it and pushed it under there. Both are equally likely.
It's not true that one cat will produce