Fiddler Crabs Use Their Giant Claw For the Two F’s: Fightin’ And Flirtin’

One of fiddler crab's claws comes way, way bigger than the other—totally naturally. So it can fight and flirt, of course. The post Fiddler Crabs Use Their Giant Claw For the Two F's: Fightin' And Flirtin' appeared first on WIRED.