Chirping Crickets Author:Melvin Berger, Megan Lloyd (Illustrator) You have ears on your head, but a cricket doesn't. Behind the knee of each of a cricket's front legs is a tiny hole with a tissue-thin cover. This is the cricket's ear. Read and find out more amazing facts about crickets and learn how they make chirping counds, too. Hint: They don't hirp with their mouths!