Although chickens, being the omnivores that they are, will kill and eat mice if they find them, once the chickens are asleep, the mice are free to come and go at will.

The short answer is yes, chickens do eat ants—along with grasshoppers, caterpillars, spiders, worms and other types of insects—but, unfortunately, they don’t eat enough to serve as your primary method of pest control. Jul 13, 2020