We have an area about 20*24 ft that our chicks are in. They often move over into our 2 acre area with the 2 goats ( one is a pygmy),and a lamb. They all seem to get a long fine. The chicks will peck at the goat feed while the goats are eating and no problems. I think that they might make enough noise to let the chickens know that there is something there, but I don't think they would protect them any other way. Good Luck
DMK Ranch
DMK Ranch