" Any flesh or fluid from any beast was eligible for ingestion, be it blood, skin, gristle, or worse. While touring a church once, Buckland startled a local vicar—who was showing off the miraculous “martyr’s blood” that dripped from the rafters every night—by dropping to the stone floor and dabbing the stain with his tongue. Between laps Buckland announced, “It’s bat urine.” Overall Buckland found few animals he couldn’t stomach: “The taste of mole was the most repulsive I knew,” he once mused. “Until I tasted a bluebottle [fly].”* "

― Sam Kean , The Violinist's Thumb: And Other Lost Tales of Love, War, and Genius, as Written by Our Genetic Code