You just can’t unsee romance, slug-style 😳⁣ ⁣ This World Wildlife Day, meet the ash-black slug, the largest slug in the world. Its arresting and unusual mating mechanism needs to be seen to be believed. ⁣ ⁣ #WildIsles #Wildlife #DavidAttenborough #Nature #Throwback ⁣ ⁣ Wild Isles: Extraordinary. Dramatic. Beautiful. Sir David Attenborough celebrates the wonders of British wildlife. It's our home, as you've never seen it before.