We fed feral cats for 3 years. My husband built them a house, fed them warmed food every morning and night, bought straw for them, and even had an electric water bowl. So much care and food they certainly had babies. We took the kittens to the humain society. I think we kept them in kitten for 3 years. One litter from a calico mother had a black calico, an orange tabby and one pure white. I would of kept them all but I let my head guide me, not my heart.