There are several imitators, but we"re the original Rainbow Mealworms. We"ve been growing mealworms since 1956 on our farm called "Worm City" in sunny California. Our mealworms are raised with human grade wheat bran and fresh vegetables. Wild birds, chickens, reptiles, monkeys, reptiles, and fish enjoy eating a wriggling larvae that gives them a sense of capture and wriggling delight! Feed your animal"s wild instinct and offer more live foods.