Somehow grunting like you're moving a wardrobe became a completely legitimate professional technique.
Fun fact: "The longest match in history lasted 11 hours and 5 minutes across three days at Wimbledon."
Some species fake other fireflies' glow patterns to lure in blokes and eat them, which is proper dark.
Fun fact: Some female fireflies mimic the flash patterns of other species to lure their males as prey.