I agree with several of the above^ we've been doing feral cat rescues for over 20yrs... the trap is your best bet. Cover it with a dark blanket or towel so that they don't see the wires and make sure to place the food inside. It also helps to take *tiny* pieces of the bait and make a "crumb" trail so to speak leading into the cage. Be sure it's not enough for them to be satisfied with, just enough to tease them into getting closer to the cage and finally inside. Just be patient. You could also begin feeding the kitties for a few days then place the covered trap by their usual "feeding station" and see if that works. Best of luck!