Again, this is Cheree' and I thought I would introduce you to my feral colony. The Queen Mum is Sleepy. She came around a couple of years ago. I fed her and she took up residency. 6 months later, Sleepy had kittens - Jewel, Lion King, Itsy Bitsy and Braveheart. I didn't realize that cats could have kittens so fast again and a year later she had PauPea, Black Beard, Quizzy and Muffaleto.
It's only recently that I found out about a feral cat organization that has given me the names of vets that will vaccinate and fix all of these guys at a reduced rate and all of the colony guys will be registered.
Since they all come up for food (only Braveheart will let me pet him) it shouldn't be too hard to capture them one at a time.