Look at Leviticus 11:1 - 12, where all unclean animals are forbidden as food, including rabbits, pigs, and shellfish, such as oysters, shrimp, lobsters, crabs, clams, and others that are called an " abomination. " Leviticus 20:25 demands that " you are to make a distinction between the clean and unclean animal and between the unclean and clean bird; and you shall not make yourself an abomination by animal or by bird or by anything that creeps on the ground, which I have separated for you as unclean. " You can eat some insects like locusts (grasshoppers), but not others